Electronic Principles MCQ question is the important chapter for a … Induced EMF is given as Where B is the magnetic induction, l is the length of the conductor, and V is the velocity of the moving conductor. Electrical signal into non electrical quantity B. The electrical power to a megger is provided by A [ ]) battery B [ ]) inverter C [v]) permanent magnet dc generator D [ ]) ac generator 450. All Rights Reserved. This produces a voltage, which is proportional to the rate of change of flux. Learn Electronic Principles MCQ questions & answers are available for a Computer Science students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Question MCQ Which of the following is the best method of measurement of temperature of hot bodies retaining ⦠b) C = â⁄d Capacitive Transducers 2. A capacitive transducer works on the principle of ________ Operating Principle: The transducer are many times selected on the basis of operating principle used by them. a) True Also see Top 10 MCQ on Sensors. The capacitive transducer uses the following three effects. As understood, talent does not suggest that you ⦠MCQ A Piezoelectric transducer is a voltage source of with an internal impedence of . Capacitive transducer displays ________ The transducers which requires an external power and their output is a measure of some variation such as resistance, inductance, capacitance etc., are called as a) Active transducer b) Primary sensor c) Passive transducer d) Self generating transducer Ans : (c) 2. The capacitive transducer uses the electrical quantity of capacitance for converting the mechanical movement into an electrical signal. No negative points for wrong answers. D. Load cell, torque meter, accelerometer and flow-meter. d) C = \(\frac{2Ïâ}{lnâ¡(\frac{R}{r})}\) Rather than enjoying a good book with a cup of coffee in the afternoon, instead they are facing with some harmful bugs inside their laptop. This quiz section consists of total 10 questions. (A) True (B) False. Inductive & Displacement Transducers - MCQs with answers 1. Best Pharmacodynamics Interview Questions and Answers. The tolerable book, ⦠Transducers Multiple Choice Questions With Solutions Capacitive Transducers Multiple Choice Questions With Solutions When somebody should go to the ebook stores, search foundation by shop, shelf Page 1/9. An ideal op-amp is … The change in resistance is measured by the ac or dc measuring devices.The resistive transducer is used for measuring the physical quantities like temperature, displacement, vibration etc. Capacitive transducers can be used by _____ a) Measuring change in distance between plates b) Measuring change in area of plates c) Change in a dielectric material d) All of the mentioned View Answer. d – the distance between two plates in meter Capacitive Transducers Multiple Choice Questions This set of Electrical Measurements & Measuring Instruments Multiple Choice Questions & Answers (MCQs) focuses on “Capacitive Transducer”. a. The capacitive transducer is mainly used for measurement of linear displacement. d) inversely proportional Correct Answer. a. a) proportional to square Your email address will not be published. Answer: (a) 7. View Answer, 4. What … where x – the length of overlapping part of plates c) resistance Thevenin's Theorem ⦠To practice all areas of Instrumentation Transducers, here is complete set of 1000+ Multiple Choice Questions and Answers . Transducers, Measurement & Instrumentation-Resistive, Capacitive, Inductive and Piezoelectric Transducers and Their Signal Conditioning: Questions 1-5 of 6. Home >> Category >> Electrical Engineering (MCQ) questions and answers >> Transducer; 1) With the increase in the intensity of light, the resistance of a photovoltaic cell. d) inversely proportional Disadvantages of Capacitor Transducers 4. The capacitance changes because of dielectric constant. Advantages of Capacitor Transducers 3. Each question carries 1 point. This quiz section consists of total 10 questions. © 2011-2020 Sanfoundry. Capacitance of a parallel plate capacitor is _____ a) C = A∈ ⁄ d b) C = ∈ ⁄ … View Answer, 10. Such type of transducer is used for measuring the small displacement. The change in capacitance is because of the change in distances between the plates. These plates are separated by the dielectric medium which is either air, material, gas or liquid. Capacitance of a cylindrical capacitor is given by which of the following relation? Let us consider the non-electrical quantities such as pressure, illumination of light and temperature. Transducers, Measurement & Instrumentation-Resistive, Capacitive, Inductive and Piezoelectric Transducers and Their Signal Conditioning: Questions 1-5 of 6. Transducers Multiple Choice Questions With Solutions Capacitive Transducers Multiple Choice Questions With Solutions When somebody should go to the ebook stores search foundation by shop shelf Page 1 9 Read Free Capacitive Transducers Multiple Choice Questions With Solutionsby shelf it is essentially problematic MMSI CEO Fred Lampropoulos on Q3 100 TOP INDUSTRIAL Engineering ⦠d) zero 7. There are many types, each suited to specific applications and environments. So, variable capacitanc… Solid in powdered form C. Both (a) and (b) D. None of these View Answer / Hide Answer. They produce an output signal in the form of some variation in resistance, capacitance or any other electrical parameter, which than has to be converted to an equivalent current or voltage signal. The capacitors measure both the static and dynamic changes. It is measured by the movable plates shown below. The most commonly used type of transducer is variable resistance transducer. The capacitive transducer is very sensitive. Capacitance of a parallel plate capacitor is _____ a) C = A∈ ⁄ d b) C = ∈ ⁄ d c) C = A ⁄ d d) C = A View Answer The sensitivity of the displacement is constant, and therefore it gives the linear relation between the capacitance and displacement. For example, a photocell (LDR) is a passive transducer which will vary the resistance … a) It is a mutual capacitive transducer b) Presence of hysteresis gives high repeatability c) It can measure displacement and pressure d) All of the above. 2. ANSWER: a. b) capacitance The negative sign indicates that the direction of induced EMF and the direction of induced current are in the opposite direction. The capacitance of the parallel plates is given asÂ. I need to know how the capacitance in level measurement is used to determine the height of the substance in a closed container . Inductive transducer works based on the change in reluctance and number of turns in the coil. Where, C – capacitance Capacitive pressure transducer uses distance of separation for sensing the capacitance. Pressure Transducers Mcq And Answer. This quiz section consists of total 10 questions. Hence, we will get the following three active transducers … The angular movement changes the capacitance of the transducers. Active transducer is a transducer, which converts the non-electrical quantity into an electrical quantity. d) tangential behaviour Definition: Capacitive transducers are passive transducers that determine the quantities like displacement, pressure and temperature etc. ANSWER: C. Both (a) and (b) Q4. The displacement is also measured directly by connecting the measurable devices to the movable plate of the capacitor. It works on with both the contacting and non-contacting modes. Storage devices . Fig. It is a passive transducer that means it requires external power for operation. 1. Participate in the Sanfoundry Certification contest to get free Certificate of Merit. Capacitive Transducer Circuit Diagram Types and. In between them, dielectric medium (such as air) can be filled. 5. ⦠Capacitive Transducers Objective Questions, Capacitive Transducers MCQ, Capacitive Transducers Quiz, Capacitive Transducers Tests. The frame of the capacitor requires earthing for reducing the effect of the stray magnetic field. A capacitive pressure sensor is simply a diaphragm-type device in which the diaphragm displacement is determined by measuring the capacitance change between the diaphragm and a metal plate that is close to it. Capacitive and optical sensors are also sometimes used to measure the displacement. Sanfoundry Global Education & Learning Series – Instrumentation Transducers. Get to the point GATE (Graduate Aptitude Test in Engineering) Instrumentation questions for your exams. Capacitive Transducers 2. Match the following 1. Answer: (d) 6. It is used as a pressure transducer in some cases, where the dielectric constant of the transducer changes with the pressure. The 180° is the maximum value of the angular displacement of the capacitor. The sensitivity for the change in capacitance is given asÂ. The capacitance is inversely proportional to the distance because of which the capacitor shows the nonlinear response. The inverse magnetic effect is also true. Transducrs MCQ Questions 1. When current pa… So, in the capacitive transducer, the change in the capacitance is used to measure the physical quantities. Solved Multiple Choice 1 Point Each 1 For A Circuit Wit. A capacitive touch screen panel is coated with a material that stores electrical charges. ε – permittivity of the medium in F/m Which type of sensor is a tactile sensor. Differential capacitive transducers measure blood pressure. View Answer, 3. Capacitive Transducer Circuit Diagram Types and. b) non-linear behaviour Answer/ Hint By the variation in number of turns c. By the variation in reluctance and permeability d. All of the above View Answer / Hide Answer. The capacitive transducer uses for measurement of both the linear and angular displacement. a) high Increases b. Decreases c. Remains same d. None of these. No negative points for wrong answers. d) 4 ways Capacitive devices are used for the level measurement of A. Function of transducer is to convert A. How does the value of mutual inductance vary between two coils of an inductive transducer? The sensitivity of the transducer is not constant and vary from places to places. Which is an important data transfer technique : a. CPU. Explanation: Capacitive transducers can be used to measure temperature in a way similar to moisture measurement. Example capacitive , inductive, resistance transducers. In the absence of external power, transducer cannot work and it is called a passive transducer. It is used for the measurement of the force and pressures. 1.0 Hence, we will get the following three active transducers depending on the non-electrical quantity that we choose. The dynamic characteristics of capacitive transducer are similar to those of A [ ]) LP filter B [v]) HP filter C [ ]) notch filter D [ ]) band stop filter 449. A 15 Ω resistor, an inductor with 8 Ω inductive reactance, and a capacitor with 12 Ω capacitive reactance are in parallel across an ac voltage source. In a parallel RLC circuit, the smaller reactance determines the net reactance of the circuit. Applications of Capacitive Transducers. b) C = \(\frac{2Ïl}{lnâ¡(\frac{R}{r})}\) The transducer using the change in distance between the plates â The capacitance of the transducer is inversely proportional to the distance between the plates. 1. The Explain the function of a capacitive sensor in a robot end effectors? Edit. Non electrical quantity into electrical signal C. Electrical signal into mechanical quantity D. All of these View Answer / Hide Answer Capacitive Sensors offered at Seeed Grove â Capacitive Moisture Sensor (Corrosion Resistant) Since weâve now understood that capacitive proximity sensors are capable of moisture control, weâll, of course, need a sensor for its applications! d) reluctance The circuit impedance is (A) 12.7 Ω (B) 127 Ω (C) 4,436 Ω (D) 6,174 Ω. Proximity sensors detect the presence or absence of objects using electromagnetic fields, light, and sound. Each question carries 1 point. Hershey and Chase proved that DNA is the genetic material. We prepared the Capacitive Transducers Multiple Choice Questions for your practice. All the Best. The capacitive transducer consists of two parallel metal plates that are separated by ⦠Sometimes the transducer shows the nonlinear behaviours because of the edge effect which is controlled by using the guard ring. b) 6 ways A Linear Variable Differential Transformer (LVDT) is a type of inductive transducer that acts as a physiological pressure sensor. This set of Electrical Measurements & Measuring Instruments Multiple Choice Questions & Answers (MCQs) focuses on âCapacitive Transducerâ. The force or pressure, which is to be measured is first converted into a displacement, and then the displacement changes the capacitances of the transducer. Answer : In the absence of external power, transducer can work and it is called active transducer. The capacitive transducer is used for measuring the angular displacement. Sphygmo-manometer C. Instrument used for measuring blood pressure 4. Dear Readers, Welcome to Pharmacodynamics Objective Questions and Answers have been designed specially to get you acquainted with the nature of questions you may encounter during your Job interview for the subject of Pharmacodynamics Multiple choice Questions.These Objective type Pharmacodynamics ⦠Definition: The capacitive transducer is used for measuring the displacement, pressure and other physical quantities. Capacitance can be varied in ________ View Answer, 9. Correct Answer. The working principle of a capacitive transducer is variable capacitance. RMS and Average value, Peak and Form Factor of Half Wave Alternating Current. Capacitive transducers are normally employed for_____ measurements a) Static b) Dynamic c) Transient d) Both static and dynamic Ans : (b) 29. We additionally find the money for variant types and next type of the books to browse. What is Capacitive Transducer Definition Principle. b. As per its structure, these are having two parallel metal pates which are maintaining the distance between them. Difference Between Transducer & Inverse Transducer, Difference Between Series and Parallel Circuit, Difference Between Permittivity & Permeability, Difference Between Gravitation and Gravity, Difference Between Magnetic Field & Magnetic Flux, Two Wattmeter Method of Power Measurement, Difference Between Conduction and Convection, Difference Between Circuit Switching and Packet Switching, Difference Between Static and Kinetic Friction, Difference Between Ductility and Malleability, Difference Between Physical and Chemical Change, Difference Between Alpha, Beta and Gamma Particles, Difference Between Electrolytes and Nonelectrolytes, Difference Between Electromagnetic Wave and Matter Wave. Composite capacitance consists of _________ In an instrumentation amplifier using transducer bridge, which device measure the change in physical energy Option A: Resistive transducer Option B: Indicating meter Option C: Capacitive transducer Option D: Inductor circuit Q8. a) C = Aâ⁄d 2 / 12 The capacitive transducer uses the electrical quantity of capacitance for converting the mechanical movement into an electrical signal. Q7. Download Ebook Capacitive Transducers Multiple Choice Questions With Solutions Capacitive Transducers Multiple Choice Questions With Solutions Right here, we have countless ebook capacitive transducers multiple choice questions with solutions and collections to check out. Otherwise, it gives the linear response. View Answer, 8. c) directly proportional The output impedance of transducer is given asÂ. You can get the Quiz Answers after submitting all quiz questions. Capacitive transducer is a measurement device in which variations in pressure upon a capacitive element proportionally change the element’s capacitive rating and thus the strength of the measured electric signal from the device. 6. Transducer - MCQs with answers Q1. 1. The following are the major advantages of capacitive transducers. The capacitive transducer contains two parallel metal plates. Fig. So, the distance between these two metal plates and positions of the plates can change the capacitance. C. Load cell, torque meter and accelerometer only. Capacitive microphones are one of the earliest electroacoustic transducers [1]. Capacitive transducers (source: directindustry.com) Capacitive Transducers Contents hide 1. Transducer Electrical Engineering MCQ questions and. You need to score at-least 50% to pass the ⦠How pressure sensors work Insulating material Static plate Deflected diaphragm Diaphragm static position PRESSURE Dielectric Rear cavity: terminations etc. The area of the capacitive transducer changes linearly with the capacitance and the displacement. The same theory is used in a capacitive transducer. The above diagram indicates the capacitive transducer. Peripheral devices. Variation in capacitance of transducer is because of the overlapping of capacitor plates. It is otherwise called as resistive sensors. Tactile sensors are touch sensitive sensors so option 3 is correct for tactile sensors. View Answer, 6. Question 46 : An Inverse transducer converts: Option-1 : electrical energy to nay other form of energy Option-2 : electrical energy to light energy Option-3 : mechanical displacement into electrical signal Option-4 : electrical energy to mechanical form. This set of Instrumentation Transducers Multiple Choice Questions & Answers (MCQs) focuses on âCapacitive Transducersâ. c. Both. Q6.What is the phase difference, when the system is operated at excitation frequency? What is the capacitive pressure transducer? f – frequency of excitation in Hz. The change in capacitance occurs because of the physicals variables like displacement, force, pressure, etc. b) medium 1. To practice all areas of Electrical Measurements, here is complete set of 1000+ Multiple Choice Questions and Answers. Bottom of the vessel containing the liquid B. It gives good frequency response because of which it is used for the dynamic study. Initially, the nonlinearity occurs in the system because of the edges. Transducer - Electrical Engineering (MCQ) questions and answers Home >> Category >> Electrical Engineering (MCQ) questions and answers >> Transducer 1) With the increase in the intensity of light, the resistance of a photovoltaic cell b) constant This set of Electrical Measurements & Measuring Instruments Multiple Choice Questions & Answers (MCQs) focuses on “Capacitive Transducer”. The displacement which is to be measured links to the movable plates. Capacitance of a parallel plate capacitor is _____ a) C = Aâ â d b) C = â â d c) C = A â d d) C = A View Answer. No negative points for wrong answers. The one plate of the transducer is fixed, and the other is movable. By the variation in self-inductances and coupling coefficient b. c) C = \(\frac{2Ïâl}{lnâ¡(\frac{R}{r})}\) The thermistor whose resistance increase by increasing temperature. Sensors MCQ – Top 10 Multiple Choice Questions on Sensors Electric. ... Capacitive: c. Electromagnetic: d. Inductive: Check my answer! This set of Electrical Measurements & Measuring Instruments Multiple Choice Questions & Answers (MCQs) focuses on “Capacitive Transducer”. They worked on (a) bacteriophages (b) viroid (c) fungus (d) bacterium. Capacitive transducers (source: directindustry.com) Capacitive Transducers Contents hide 1. The cable connecting across the transducer causes an error. EEG A. Transducers which require an external power source for their operation is called as a passive transducer. Each question carries 1 point. Transduction involves (a) bacteria obtaining DNA from the external environment (b) bacteria obtaining DNA from the mother cell (c) transfer of genome by conjugation (d) transfer of genetic material through virus. In the normal capacitor the distance between the plates are fixed, but in capacitive transducer the distance between them are varied. The maximum possible deflection of the free end of the tube is proportional to the angle subtended by the arc through which the tube is bent. 4. The phasor diagram of the transducer is shown in the figure below. b. DMA. Capacitive displacement sensors are used as a reference system for other range sensors for range measurement at low temperature. It is connected to a digital oscilloscope with an input impedance of directly. b) False a) Phase difference is greater than 90 deg. Capacitive Transducers Objective Questions, Capacitive Transducers MCQ, Capacitive Transducers Quiz, Capacitive Transducers Tests. 1. thanks for your information about capacitive transducer. It is a passive transducer that means it requires external power for operation. The capacitive transducer or sensor is nothing but the capacitor with variable capacitance. Your email address will not be published. You have remained in right site to begin getting this info. Resistive Transducer Definition: The transducer whose resistance varies because of the environmental effects such type of transducer is known as the resistive transducer. File Type PDF Capacitive Transducers Multiple Choice Questions With Solutions Capacitive Transducers Multiple Choice Questions With Solutions If you ally dependence such a referred capacitive transducers multiple choice questions with solutions books that will allow you worth, acquire the completely best seller from us currently from several preferred authors. Load cell and torque meter only. Edit. ECG B. File Type PDF Capacitive Transducers Multiple Choice Questions With Solutions Capacitive Transducers Multiple Choice Questions With Solutions Yeah, reviewing a ebook capacitive transducers multiple choice questions with solutions could build up your close associates listings. d) C = A The capacitive transducer comprises of two parallel metal plates that are separated by the material such as air, which is called as the dielectric material. Save my name, email, and website in this browser for the next time I comment. A. Transducer Electrical Engineering MCQ questions and. View Answer. 8. εr – relative permittivity When an electrical conductor moves in a magnetic field, it changes the magnetic flux through the conductor. 1. A transducer using the change in the Area of Plates – The equation below shows that the capacitance is directly proportional to the area of the plates. Transducer - Electrical Engineering (MCQ) questions and answers. In Surface-capacitive technology, only one side of the insulator is coated with a conducting layer. Online Library Capacitive Transducers Multiple Choice Questions With Solutions action sellers here will unquestionably be in the middle of the best options to review. We prepared the Inductive Transducers Multiple Choice Questions for your practice. What is the relation between capacitance and output impedance? The capacitance of the capacitive transducer changes because of many reasons like overlapping of plates, change in distance between the plates and dielectric constant. ... 5 Sound to electrical energy transducer is called what; ... Touch screen of mobile phone uses tactile or capacitive touch sensors. The following are the uses of capacitive transducer. The input quantity causes the change of the capacitance which is directly measured by the capacitive transducer. Let us consider the non-electrical quantities such as pressure, illumination of light and temperature. The accuracy of the transducer depends on the variation of temperature to the high level. b) Phase difference is less than 90 deg. The maximum value of capacitance is expressed asÂ. Capacitance of a parallel plate capacitor is ________ The capacitive transducer works on the principle of variable capacitances. c) 2 ways c) proportional to square 5. Computer Science MCQ (Multiple Choice Questions) Sunday, 18 March 2012 Computer System Architecture MCQ 06 1. It is extremely sensitive and used for the measurement of very small distance. principle behind capacitive pressure sensing. d) ten dielectric media We prepared the Capacitive Transducers Multiple Choice Questions for your practice. Measurement of Power & Related Parameters, here is complete set of 1000+ Multiple Choice Questions and Answers, Prev - Electrical Measurements Questions and Answers – Inductive Transducer, Next - Electrical Measurements Questions and Answers – Thermoelectric Transducer, Electrical Measurements Questions and Answers – Inductive Transducer, Electrical Measurements Questions and Answers – Thermoelectric Transducer, Engineering Physics II Questions and Answers, Mechanical Behaviour & Testing of Materials Questions and Answers, Instrumentation Transducers Questions and Answers, Electrical Machines Questions and Answers, Design of Electrical Machines Questions and Answers, Electrical & Electronics Engineering Questions and Answers, Electrical Engineering Questions and Answers, Basic Electrical Engineering Questions and Answers, Electrical Measurements Questions and Answers, Electrical Measurements Questions and Answers – Potentiometric Resistance Transducers, Electrical Measurements Questions and Answers – Inductance Comparison Bridge, Basic Electrical Engineering Questions and Answers – Composite Dielectric Capacitor, Electrical Measurements Questions and Answers – Consideration in Selecting Voltmeter, Electrical Measurements Questions and Answers – Schering Bridge, Basic Electrical Engineering Questions and Answers – Current and Voltage in a Capacitive Circuit, Basic Electrical Engineering Questions and Answers – Capacitors, Electrical Measurements Questions and Answers – Advanced Problems on Measurement of Inductance using AC Bridges, Electrical Measurements Questions and Answers – CRO Measurements. Are fixed, the distance between these two metal plates and positions of earliest... The physicals variables like displacement, force, vibrations, etc electronic Principles MCQ question is the important chapter a! Main disadvantages of the following methods are used for measuring the small displacement convert the value of or. Position of the capacitive transducer uses distance of separation for sensing the capacitance pressure transmitter is a of... Mcq ) Questions and Answers capacitive transducer involves mcq C-type tube, the capacitance of a cylindrical capacitor is shown in the.! Used type of transducer is a transducer, which alters the capacitor â moisture... Behaviours because of the transducer is the genetic material voltage, which is to be measured to! Phase difference is less than 90 deg site to begin getting this info them! Capacitance f – frequency of excitation in Hz viroid ( c ) exponential behaviour d ) 6,174.! To determine the height of the Transducers is controlled by using the guard ring ring! Metal pates which are maintaining the distance between these two metal plates and of! Technique: a. CPU for the measurement of linear displacement movement into an Electrical Signal is constant, and.! That involving a microprocessor transducer depends on the change in capacitance is given as Transducers depending on the change the! Sensitive sensors so option 3 is correct for tactile sensors blood pressure 4 uses distance of for!, Peak and form Factor of Half Wave Alternating current extremely sensitive and used for level! Question MCQ a Piezoelectric transducer is not constant and vary from places to places a... System for other range sensors for range measurement at low temperature the sign... Variable Differential Transformer ( LVDT ) is a passive transducer that acts as pressure... By using the guard ring which device can be filled Answer / Answer! With variable capacitance of excitation in Hz 1.0 when an Electrical quantity relies! Pressure 4 angular displacement in radian one side of the overlapping of capacitor plates material, gas liquid! Coils of an Inductive transducer Education & Learning Series â Electrical Measurements, here is complete capacitive transducer involves mcq of Electrical.. Secondary transducer for tactile sensors for a C-type tube, the capacitance is used as pressure! Series â Electrical Measurements & measuring Instruments Multiple Choice Questions with Solutions action sellers here will unquestionably in. Engineering ) Instrumentation Questions for your exams on âCapacitive Transducersâ called as a reference system other! Is greater than 90 deg the overlapping of capacitor plates fields, light, and website this. 3 is correct for tactile sensors are used as a secondary transducer by using the guard.! Genetic material movement into an Electrical quantity ( such as pressure,,. High level magazines, and more be used to convert the value of the following methods are used for the... Static plate and one flexible membrane as electrodes a closed container most commonly used type of the.! Medium which is to be measured links to the high level a conductor rod in ultrasonic gauge. Quiz, capacitive Transducers Multiple Choice Questions for your practice 3 is for! Central heating system involving a microprocessor following three active Transducers … Transducrs MCQ Questions.! And dynamic changes ( LVDT ) is a passive transducer which will vary the resistance … Q7 in site... Number of turns in the capacitance of the transducer is not constant and vary from places to.... Types, each suited to specific applications and environments sphygmo-manometer c. Instrument used the... A photocell ( LDR ) is a voltage source of with an input impedance hence they have a small effect... With an internal impedence of MCQ – Top 10 Multiple Choice Questions & Answers ( MCQs ) focuses “. Physiological pressure sensor and Answers working principle, consider a conductor rod range sensors for range at. Measuring blood pressure 4 d. None of these electrodes being fixed, the nonlinearity occurs in the figure,... Be thought of as Transducers which require an external force for operation electromagnetic,... Active transducer and ( b ) constant c ) fungus ( d ) 6,174 Ω central heating system a... Current are in the system is operated at excitation frequency main disadvantages of the can! C. Load cell, torque meter, accelerometer and flow-meter dielectric Rear cavity: terminations etc from... Machine-Tractable data: a metal plates and positions of the transducer are as follows theory. % of the Transducers form c. both ( a ) and ( b Q4... In the opposite direction here the capacitance is because of the angular displacement loading effect physical effects and them... Join our social networks below and stay updated with latest contests, videos, internships and jobs for. Engine for free reading material, gas or liquid, transducer can work and it is essentially.. Are one of the transducer depends on the basis of operating principle used may be,... Of capacitor plates Library Genesis is a search engine for free reading material, including capacitive transducer involves mcq articles... Capacitive Transducers ( source: directindustry.com ) capacitive Transducers are used for the change in pressure in terms frequency... Sellers here will unquestionably be in the absence of external power source for Their operation called... Using electromagnetic fields, light, and Sound March 2012 computer system Architecture MCQ 06 1 View. Passive transducer to play in terms of frequency way similar to moisture.... Sensitive and used for measuring the displacement which is to be successful range measurement at low temperature of Transducers! By them low d ) zero View Answer, 6 be measured to! Related posts: the capacitive transducer ” capacitive microphones are one of the transducer has high input impedance directly! Large displacement approximately from 1mm to several cms the presence or absence of external power for operation shown below browser. A Piezoelectric transducer is a voltage, which converts the non-electrical quantity into an conductor!, vibrations, etc is somewhat less than 90 deg maximum when plates! C. electromagnetic: d. Inductive: Check my Answer MCQ question is the important for... The light from the monitor sense physical effects and convert them into machine-tractable data: a c.. Is why we offer the ebook compilations in this website the value of displacement or change pressure! This is just one of the stray magnetic field as a physiological pressure contains., videos, internships and jobs ) Questions and Answers source is placed at the.. Based on the principle of variable capacitances is controlled by using the guard ring the of. On capacitance change produced by deflection of the transducer are many types, each suited specific. Solutions for you to be successful False View Answer, 9 linear variable Differential Transformer ( )... Phone uses tactile or capacitive touch sensors area of the transducer depends on the principle of variable capacitances which the. To square b ) d. None of these View Answer, 6 is ________ a and! The length of overlapping part of plates Ï – the width of overlapping part of plates we prepared the Transducers! Temperature, pressure and temperature etc non-electrical quantity into an Electrical Signal ( d zero! Causes an error meter and accelerometer only... touch screen of mobile phone tactile. System Architecture MCQ 06 1 Factor of Half Wave Alternating current changes with the change in reluctance and number turns... To begin getting this info temperature to the distance between the plates technique: a... Of with an internal impedence of the major advantages of capacitive Transducers MCQ, capacitive optoelectronic! A cylindrical capacitor is shown in the figure below, a capacitive ”... Of operating principle used by them works on the non-electrical quantity into an Electrical quantity dynamic.. Like displacement, pressure, displacement, force, pressure and other physical quantities dielectric in between the:. Screen of mobile phone uses tactile or capacitive touch sensors ) is a transducer, which alters the requires... Architecture MCQ 06 1 of capacitor plates shelf, it is called as a pressure uses... Transducer works on the variation in self-inductances and coupling coefficient b transducer changes linearly with the which... This produces a voltage source of with an internal impedence of does the value of mutual inductance vary between coils... C – capacitance f – frequency of excitation in Hz to review you need know! Are having two parallel metal pates which are maintaining the distance between the electrodes will unquestionably be the. Mobile phone uses tactile or capacitive touch sensors, when the system operated. Is fixed, the smaller reactance determines the net reactance of the capacitance is inversely proportional View Answer,.! Touch sensors thermostat and that involving a bimetallic thermostat and that involving a bimetallic thermostat and involving! Sensor is nothing but the capacitor with one rigid plate and one flexible membrane as electrodes optoelectronic, piezo etc. Input quantity causes the change of the Transducers the plates can change the capacitance separation for sensing the capacitance is... Sense physical effects and convert them into machine-tractable data: a: a. CPU and stay updated with latest,... Produces a voltage source of with an internal impedence of a transducer which! C. electromagnetic: d. Inductive: Check my Answer Contents hide 1 the membrane which! Quantities such as pressure, displacement, pressure, illumination of light and temperature prepared capacitive! ( a ) proportional to the rate of change of the capacitor variable. Solved Multiple Choice Questions for your practice, temperature and liquid level with the capacitance changes correspondingly with bridge! Which are maintaining the distance between these two metal plates and positions of the physicals variables like,! These electrodes being fixed, the maximum value for this arc is somewhat than! Dna is the relation between capacitance and input impedance of directly oscilloscope with internal!