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. Pressure transducer for measuring blood pressure is a) Strain gauge transducer only b) Strain gauge or capacitive transducer c) Resistive transducer d) Fiber optic transducer Ans : (b) 36. Load cell and torque meter only. Applications of Capacitive Transducers. For example resistive capacitive inductive transducers. Measurement of Pressure, Flow, Temperature and Liquid Level. Online Library Capacitive Transducers Multiple Choice Questions With Solutions action sellers here will unquestionably be in the middle of the best options to review. Capacitance of a parallel plate capacitor is _____ a) C = A∈ ⁄ d b) C = ∈ ⁄ d c) C = A ⁄ d d) C = A View Answer Capacitive Transducer Questions and Answers - Sanfoundry We prepared the Capacitive Transducers Multiple Choice Questions for your practice. 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. Answer: a Explanation: Photo conductive action is the property of reduc 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. A Temperature Transducer is a device that converts the thermal quantity into any physical quantity such as mechanical energy, pressure and electrical signals etc. Resistance THERMISTOR Temperature A THERMISTOR is a type of resistor whose resistance varies significantly with temperature. Answer/ Hint 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. 6. 10. CLASSIFICATION OF PASSIVE TRANSDUCERS 17. Answer: a Explanation: There are basically two types of transducers. Transducers Objective Type Questions And Answers GATE-2015 Question Paper Answer Keys QUESTION BANK UNIT-I MECHATRONICS, SENSOR AND … Pressure Transducers Mcq And Answer Sensors And Transducer Objective Questions … Basic Electronics; Analog Communication Systems; About; Contact … D. Load cell, torque meter, accelerometer and flow-meter. This quiz section consists of total 10 questions. ECG B. How does the value of mutual inductance vary between two coils of an inductive transducer? Because of this high output impedance value, a complicated circuit is needed to measure the output. 5 Points. What Is Active Transducer? This quiz section consists of total 10 questions. (a) Inductive Proximity Sensor (b) Capacitive Proximity Sensor (c) Optical Proximity Sensor Which type of sensor is a tactile sensor: Piezoresistive; Piezoelectric; Capacitive; Elastoresistive sensors… Capacitive Sensors offered at Seeed Grove – Capacitive Moisture Sensor (Corrosion Resistant) Since we’ve now understood that capacitive proximity sensors are capable of moisture control, we’ll, of course, need a sensor for its applications! The change in resistance of a metal wire owing to strain is due to S1: Change in dimension of wire expressed by factor (1-2µ) S2: Change in resistance ? By the variation in number of turns c. By the variation in reluctance and permeability d. All of the above View Answer / Hide Answer. Capacitance can be varied in _____ a) 10 ways b) 6 ways c) 2 ways d) 4 ways 15. This capacitive transducers multiple choice questions with solutions, as one of the most lively sellers here will certainly be in the midst of the best options to review. They are. Capacitive displacement sensors are used as a reference system for other range sensors for range measurement at low temperature. Each question carries 1 point. You need to score at-least 50% to pass the quiz i.e. C. Load cell, torque meter and accelerometer only. Capacitive Transducers 2. MCQ A Piezoelectric transducer is a voltage source of with an internal impedence of . i.e. advertisement. 79) What is the principle of capacitive transducer? 2. Which type of sensor is a tactile sensor. B. Which of the following is used in photo conductive cell? 16. ANSWER: a. They are as follows: i) Mechanical ii) Electrical. a) 2 b) 4 c) 6 d) 8 View Answer. Tactile sensors are touch sensitive sensors so option 3 is correct for tactile sensors. Also see Top 10 MCQ on Sensors. In the absence of external power, transducer cannot work and it is called a passive transducer. Also See Top 10 MCQs on Sensors. Explain the function of a capacitive sensor in a robot end effectors? So, thermocouple is an temperature transducer. How many types of transducers are there? 36) Which proximity sensors are used in automotive? advertisement. Many industrial variables like displacement, pressure, level, moisture, thickness etc. transducers multiple choice questions with solutions, but end up in harmful downloads. 1 The most popular type sensor used in mobile phones fingerprint; 2 Role of Barometer sensor in Mobile phones; 3 Which of the following sensor is used in mobile phones MCQ; 4 Which sensor is responsible for … This transducer can also be called capacitive or piezoelectric transducers. Among which, one plate is fixed and the other plate is a movable one. Sensors MCQ - Top 10 Multiple Choice Questions on Sensors ... Online Library Capacitive Transducers Multiple Choice Questions With Solutions action sellers here will unquestionably be in the middle of the best options to review. Transducers, Measurement & Instrumentation. The circuit diagram of capacitive transducer, which is used to measure displacement is shown in below figure. Home >> Category >> Electrical Engineering (MCQ) questions and answers >> Transducer; 1) With the increase in the intensity of light, the resistance of a photovoltaic cell. It has a high output impedance. (a) Inductive Proximity Sensor (b) Capacitive Proximity Sensor (c) Magnetic Proximity Sensor (d) Ultrasonic Proximity Sensor ANS-d 37) Which proximity sensor detects positioning of an object? It measures temperature, pressure, displacement, force, vibrations, etc. Inductive Transducers. Library Genesis is a search engine for free reading material, including ebooks, articles, magazines, and more. 1. By the variation in self-inductances and coupling coefficient b. We prepared the Inductive Transducers Multiple Choice Questions for your practice. ? Load cell only. Question 4. These transducers exhibit non-linear behaviors due to edge effects. 1. Questions & Answers (MCQs) focuses on “Capacitive Transducer”. a) Phase difference is greater than 90 deg. to understand the working principle, consider a conductor rod. ... Capacitive: c. Electromagnetic: d. Inductive: Check my answer! Q6.What is the phase difference, when the system is operated at excitation frequency? What is a Temperature Transducer? Given below are most important Multiple Choice Questions on Different types of sensors used in your mobile phones. There are a few disadvantages of a capacitive transducer are listed below. Inductive & Displacement Transducers - MCQs with answers 1. All the Best. Increases b. Decreases c. Remains same d. None of these. Bottom of the vessel containing the liquid B. Solid in powdered form C. Both (a) and (b) D. None of these View Answer / Hide Answer. Answer : In the absence of external power, transducer can work and it is called active transducer. a) Selenium b) Quartz c) Rochelle salt d) Lithium sulphate View Answer. This transducer can be used to measure the distance of the sound based on reflection. A. Example capacitive , inductive, resistance transducers. Pressure transducer for measuring blood pressure is. This set of Electrical Measurements & Measuring Instruments Multiple Choice Questions & Answers (MCQs) focuses on “Transducers”. Explanation: Capacitive transducers convert measurant into changes in capacitance. ANSWER: C. Both (a) and (b) Q4. b) capacitance c) resistance d) reluctance 14. Question MCQ Which of the following is the best method of measurement of temperature of hot bodies retaining … This measurement is based on a suitable method compared to the straight methods which use different measuring scales. A Linear Variable Differential Transformer (LVDT) is a type of inductive transducer that acts as a physiological pressure sensor. And the output circuit needs to be powerful to maintain this high output immense value. Transducer - Electrical Engineering (MCQ) questions and answers. 5. Library Genesis is a search engine for free reading material, including ebooks, articles, magazines, and more. Capacitive transducers are normally employed for_____ measurements a) Static b) Dynamic c) Transient d) Both static and dynamic Ans : (b) 29. The capacitor, which is present in above circuit has two parallel plates. Let us consider the non-electrical quantities such as pressure, illumination of light and temperature. a) True b) False 16. Due to this, the spacing between these two plates will also vary. Active transducer is a transducer, which converts the non-electrical quantity into an electrical quantity. Match the following 1. This is where The Grove – Capacitive Moisture Sensor (Corrosion Resistant) comes to play. Sphygmo-manometer C. Instrument used for measuring blood pressure 4. Its force requirements are very small Diagnostic tool for heart alignment 2. as temperature increases, the resistance decreases. In ultrasonic level gauge, the ultrasonic source is placed at the A. Definition: Capacitive transducers are passive transducers that determine the quantities like displacement, pressure and temperature etc. Home ; MCQ; Interview Questions; Tutorials. The transducers which require external power and their output is a measure of some variables such as resistance, inductance, capacitance, etc., are called as. 80) What are the desirable features of capacitive transducer? The word is a … Diagnostic tool for brain alignment 3. by measuring the variation in the capacitance of a capacitor.. As we know that a transducer changes a form of energy into another form. So, in the capacitive transducer, the change in the capacitance is used to measure the physical quantities. EEG A. Multiple choice Questions and Answers on Measurement and Instrumentation. Compare and contrast the control system for the domestic central heating system involving a bimetallic thermostat and that involving a microprocessor? Capacitive pressure transducer uses distance of separation for sensing the capacitance. For example, in a thermocouple the electrical potential difference is produced due to temperature difference across its terminals. Multiple choice Questions and Answers on Measurement and Instrumentation. Capacitive transducers (source: directindustry.com) Capacitive Transducers Contents hide 1. Advantages of Capacitor Transducers 3. Fig. Ultrasonic Transducer Application of Ultrasonic Transducer. b) Phase difference is less than 90 deg. Hence, we will get the following three active transducers depending on the non-electrical quantity that we choose. Differential capacitive transducers measure blood pressure. Basic Electronics Tutorials; Communication Tutorials; Computer Networking Tutorials; Questions. A capacitive transducer works on the principle of _____ a) inductance . 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. No negative points for wrong answers. Menu. Disadvantages of Capacitor Transducers 4. The capacitive transducer or sensor is nothing but the capacitor with variable capacitance. can be transduced into an electrical variation using capacitance variation as the primary sensing principle. You can get the Quiz Answers after submitting all quiz questions. The following transducer(s) may employ strain gauge as a secondary transducer. Edit. Electronics Post. Semi-conductor thermistors have a Negative Temperature Coefficient (NTC). Electrical Engineering MCQ. a. Answer Explanation ANSWER: Decreases. 13. a. Inductive transducer works based on the change in reluctance and number of turns in the coil. Resistive Transducer Definition: The transducer whose resistance varies because of the environmental effects such type of transducer is known as the resistive transducer. The most commonly used type of transducer is variable resistance transducer. Only liquid B. We additionally find the money for variant types and next type of the books to browse. 35. Measurement of Displacement using Capacitive Transducer. Related posts: The capacitive transducer is the capacitor with variable capacitance. Capacitive devices are used for the level measurement of A. 8. A) Strain gauge transducer only B) Resistive transducer C) Fiber optic transducer D) Strain gauge or capacitive transducer. Change in capacitance is caused by change in dielectric or change in distance between plates. Wireless Sensor Networks Interview Questions ; Question 16. It is otherwise called as resistive sensors. 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