What is a piezoelectric transducer used for?

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asked Mar 11, 2018 by anonymous

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asked Apr 29, 2018 by anonymous

Piezoelectric Transducer is used to measure

Piezoelectric Transducer is used to measure (1) displacement (2) resistance (3) current (4) temperature

Last answer: Piezoelectric Transducer is used to measure displacement

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54 views 1 answer

asked Aug 5, 2019 by anonymous

List any two materials for Piezoelectric transducer.

Last answer: i) Quartz crystal, ii) Barium titanete , iii) Rochelle salt , iv) Lithium Sulphate, v) Potassium Dihydrogen phosphate.

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asked Mar 11, 2018 by anonymous

What is the difference between a sensor and a transducer?

Last answer: https://electronics2electrical.com/19108/

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491 views 1 answer

asked Mar 11, 2018 by anonymous

What is the role of a transducer?

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asked Mar 11, 2018 by anonymous

What is a transducer and how does it work?

Last answer: An electronic device that converts one form of energy to another form.for example a transducer is used in microphone to convert speech signals to electrical signal.on the other hand,transducer is used to convert an electrical signal to speech signals in speakers.

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84 views 1 answer

asked Sep 8, 2018 by anonymous

What is piezoelectric effect? Name two piezoelectric material.

Last answer: piezoelectric effect: Piezoelectric effect can be stated as follows: when a pressure or force or vibration is applied to crystalline material like quartz crystal or crystalline substances, then ... crystal: Quartz crystal ,Rochelle salt 2) Synthetic crystals : Barium Titanate, Lithium sulphate

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52 views 1 answer

asked May 26, 2020 by anonymous

Define transducer. State factors which are considered while selecting transducer for a particular application.

Last answer: Transducer - It converts one form of signal into another form. A transducer is a device that is used to convert a physical quantity into its corresponding electrical signal. ... compatibility : The transducer should maintain input and output characteristic for the selected environmental condition.

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asked May 17, 2018 by anonymous

Which one of the following is not a transducer in the true sense? (A) Thermocouple (B) Piezoelectric pick-up

Which one of the following is not a transducer in the true sense? (A) Thermocouple (B) Piezoelectric pick-up (C) Photo voltaic cell (D) LCD.

Last answer: Which one of the following is not a transducer in the true sense? (A) Thermocouple (B) Piezoelectric pick-up (C) Photo voltaic cell (D) LCD.

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209 views 1 answer

asked Apr 25, 2018 by anonymous

The transducer with negative temperature co-efficient of resistance is

The transducer with negative temperature co-efficient of resistance is (A) Thermistor (B) Resistance Thermometer (C) Strain Gauge (D) Thermocouple

Last answer: The transducer with negative temperature co-efficient of resistance is Thermistor

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62 views 1 answer

asked May 2, 2020 by anonymous

Define Analog Transducer and give examples of it

Last answer: Analog Transducer: An analog transducer is a device that converts the input signal into a continuous DC signal of voltage or current. Examples: * Strain gauge * L.V.D.T * Thermocouple * Thermistor

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55 views 1 answer

asked Aug 5, 2019 by anonymous

State principle of operation of piezo-electric transducer. State its application.

Last answer: The piezoelectric element used for converting mechanical movement into electric signals. The mechanical deformation generates charges and this charge appears as a voltage across the electrodes. ... destructive test (NDT) equipments 6. Piezoelectric materials are used in ultrasonic transducers.

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61 views 1 answer

asked Aug 5, 2019 by anonymous

Write example of each type (i) Primary transducer (ii) Active transducer (iii) Electrical transducer (iv) Digital transducer

Last answer: 1)primary transducer –Bourdon tube ,Diaphragm, Bellows 2) Active transducer- Thermocouple, Piezoelectric 3) Electrical transducer- Strain gauge, Electromagnetic flow meter, RTD 4) Digital transducer- Rotary encoder , shaft encoder.

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70 views 1 answer

asked Aug 5, 2019 by anonymous

State the use of RADAR type level transducer & list two advantages.

Last answer: Applications of radar type transducer: i) RADAR type level transducer is suitable for large tanks with range upto 200m for level measurement. ii) It is used for continuous level measurement. ... iii) Not affected by corrosive materials. iv) Can be used for hard to handle' applications.

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51 views 1 answer

asked Sep 8, 2018 by anonymous

State the necessity of transducer.

Last answer: Necessity of Transducer: Input quantity for most of the Instrumentation systems is non - electrical quantity. To convert non- electrical quantities like heat, pressure, level, flow rate, ... use electrical methods and techniques for measurement, manipulation and control, transducers are required.

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58 views 1 answer

asked Sep 8, 2018 by anonymous

List four electric pressure transducer.

Last answer: List of electric pressure measuring devices: 1. Diaphragm with strain gauge 2. Bourdon Tube with LVDT 3. Differential Pressure cell 4. Piezoelectric type pressure transducer 5. Capacitance pressure transducer 6. Optical Pressure transducer 7. Resistive pressure transducer

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36 views 1 answer

asked Sep 8, 2018 by anonymous

Define transducer. Give two examples.

Last answer: Transducer - It converts one form of signal into another form. A transducer is a device that is used to convert a physical quantity into its corresponding electrical signal. Classification - 1. Active transducer 2. Passive transducer

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93 views 5 answers

asked May 29, 2018 by anonymous

If the range of an analog transducer is 0 to 10 V, then for a resolution of 5 mV, the bits of ADC will be _____.

Last answer: If the range of an analog transducer is 0 to 10 V, then for a resolution of 5 mV, the bits of ADC will be 11.

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105 views 1 answer

asked Mar 15, 2018 by anonymous

What is the Arduino Leonardo used for?

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asked Mar 10, 2018 by anonymous

What are digital signals used for?

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asked Sep 10, 2017 by anonymous

what are bjt amplifiers used for?

Last answer: Transformer coupled amplifiers Direct coupled amplifiers Multistage amplifiers Darlington amplifiers Emmiter follower

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71 views 1 answer

asked May 8, 2018 by anonymous

A relay used for protection of motors against overload is :

A relay used for protection of motors against overload is : (A) Impedance relay (B) Electromagnetic attraction type (C) Thermal relay (D) Buchholz's relay

Last answer: A relay used for protection of motors against overload is : Thermal relay

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238 views 1 answer

asked May 1, 2018 by anonymous

A negative sequence relay is used for protection of

A negative sequence relay is used for protection of (1) Generator (3) Motor (2) Transformer (4) Long Transmission lines

Last answer: A negative sequence relay is used for protection of Generator

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454 views 1 answer

asked Apr 26, 2018 by anonymous

A Hartley Oscillator is used for generating

A Hartley Oscillator is used for generating (A) very low frequency Oscillation (B) radio-frequency Oscillation (C) microwave Oscillation (D) audio-frequency Oscillation

Last answer: A Hartley Oscillator is used for generating radio-frequency Oscillation

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217 views 1 answer

asked Mar 20, 2018 by anonymous

In a two value capacitor motor, the capacitor used for running purposes is?

Last answer: In a two value capacitor motor, the capacitor used for running purposes is paper spaced oil filled type.

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asked Mar 20, 2018 by anonymous

A switchgear is device used for?

Last answer: A switchgear is device used for switching, controlling and protecting the electrical circuit and equipment.

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asked Apr 29, 2018 by anonymous

The electrode rod used for welding uses a coating on it

Last answer: The electrode rod used for welding uses a coating on it to give a vapour to serve as a shielding gas to protect the weld area from atmospheric contamination and to provide slag to protect the welded area

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93 views 1 answer

asked Mar 20, 2018 by anonymous

A shaded pole motor can be used for?

Last answer: A shaded pole motor can be used for toys, hair dryers, circulators etc.

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75 views 1 answer

asked Jun 18, 2018 by anonymous

Which of the following device is used for coupling microwave energy?

Which of the following device is used for coupling microwave energy? A) Resonator B) Waveguide C) Loop D) Antenna

Last answer: Which of the following device is used for coupling microwave energy? A) Resonator B) Waveguide C) Loop D) Antenna

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asked May 8, 2018 by anonymous

Taskbar is used for

Taskbar is used for (A) Navigation program (B) Switching between program (C) Start a program (D) All of above

Last answer: Taskbar is used for (A) Navigation program (B) Switching between program (C) Start a program (D) All of above

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46 views 1 answer

asked May 8, 2018 by anonymous

Earthing switch is used for?

Earthing switch is used for? (A) Measuring of safety voltage (B) Protection of equipment from ground faults (C) Discharging residual energies (D) All of the above

Last answer: Earthing switch is used for? (A) Measuring of safety voltage (B) Protection of equipment from ground faults (C) Discharging residual energies (D) All of the above

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asked May 8, 2018 by anonymous

As per Electricity Act, ____________means any line which is used for carrying electricity for any purpose.

As per Electricity Act, ____________means any line which is used for carrying electricity for any purpose. (A) Electric line (B) Transmission line (C) All of the above (D) None of the above

Last answer: As per Electricity Act, Electric line means any line which is used for carrying electricity for any purpose.

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40 views 1 answer

asked May 1, 2018 by anonymous

The motor used for electric traction is

The motor used for electric traction is (1) D.C. shunt motor (3) D.C. series motor (2) D.C. compound motor (4) Synchronous motor

Last answer: The motor used for electric traction is D.C. series motor

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asked Apr 30, 2018 by anonymous

Spot welding is used for

Spot welding is used for (1) Thin metal (3) Castings only (2) Rough and irregular surface (4) Thick sections

Last answer: Spot welding is used for Thin metal

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79 views 1 answer

asked Apr 29, 2018 by anonymous

Peterson coil is used for :

Peterson coil is used for : (A) shunt compensation of lines (B) grounding of system neutral (B) reduce fault currents (D) connecting interconnected systems

Last answer: Peterson coil is used for : grounding of system neutral

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208 views 1 answer

asked Apr 29, 2018 by anonymous

Which of the following is used for thermoelectric cooling?

Which of the following is used for thermoelectric cooling? A) Peltier effect B) Seebeck effect C) Both A and B D) None of these

Last answer: Which of the following is used for thermoelectric cooling? A) Peltier effect B) Seebeck effect C) Both A and B D) None of these

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72 views 1 answer

asked Apr 28, 2018 by anonymous

Phantom loading for testing of energy meter is used

Phantom loading for testing of energy meter is used (A) to isolate the current and potential circuits (B) to increase power loss during testing (C) for meters having low current ratings (D) to test meters having a large current rating for which loads may not be available

Last answer: B

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asked Mar 26, 2018 by anonymous

Turbine used for low head is?

Last answer: Turbine used for low head is Kaplan turbine.

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54 views 1 answer

asked Mar 22, 2018 by anonymous

D' Alembert's principle is used for?

Last answer: D' Alembert's principle is used for reducing the problem of kinetics to equivalent statics problem.

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asked Mar 22, 2018 by anonymous

The voltage used for suburban trains in D.C. system is usually?

Last answer: The voltage used for suburban trains in D.C. system is usually 600 to 750 V.

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asked Mar 20, 2018 by anonymous

The type of D.C. motor used for shears and punches is?

Last answer: The type of D.C. motor used for shears and punches is cumulative compound D.C. motor.

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102 views 1 answer

asked Mar 20, 2018 by anonymous

The motor used for the compressors is?

Last answer: The motor used for the compressors is capacitor-start capacitor-run motor.

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asked Mar 20, 2018 by anonymous

The shaded pole motor is used for?

Last answer: The shaded pole motor is used for low starting torque.

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asked Mar 20, 2018 by anonymous

The speed control of universal motor used for sewing machines is by?

Last answer: The speed control of universal motor used for sewing machines is by varying the resistance.

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asked Mar 19, 2018 by anonymous

Air blast circuit breaker is used for?

Last answer: Air blast circuit breaker is used for repeated duty.

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asked Mar 15, 2018 by anonymous

Which capacitor is used for high frequency?

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Why DC motor is used for traction?

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Why ACSR conductor is used for overhead lines?

Last answer: It has high tensile strength

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String efficiency is used for measuring the?

Last answer: String efficiency is used for measuring the degree of utilization of SCR.

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asked Apr 26, 2018 by anonymous

An accelerometer has input range of 0 to 10g, natural frequency 30 Hz and mass 0.001 kg. The range of the

An accelerometer has input range of 0 to 10g, natural frequency 30 Hz and mass 0.001 kg. The range of the secondary displacement transducer in mm required to cover the input range is (A) 0 to 2.76 (B) 0 to 9.81 (C) 0 to 11.20 (D) 0 to 52.10

Last answer: An accelerometer has input range of 0 to 10g, natural frequency 30 Hz and mass 0.001 kg. The range of the secondary displacement transducer in mm required to cover the input range is 0 to 2.76

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asked Mar 22, 2018 by anonymous

What type of biasing is used in CE amplifier?

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What is a piezoelectric transducer used for?

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