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