Basic Electronics 2nd Sem I section 2023-24 Even Sem)

Which of the following is a type of temperature sensor?

• a. Thermocouple
  

• b. Accelerometer
  

• c. Pressure sensor
  

• d. Proximity sensor

Which of the following is an example of an active transducer?

• A. Strain gauge
  

• B. LVDT
  

• C. Thermistor
  

• D. Photodetector

Thermocouple generate output voltage according to ____________

• a) Circuit parameters
  

• b) Humidity
  

• c) Temperature
  

• d) Voltage

Diode is a ______ device.

• Unidirectional

• Bidirectional

• Non-linear

• Both a and c

The majority carrier concentration in N-type material is ____________.

• Electron

• Hole

• Photon

• Neutron

What type of transducer is a microphone?

• A) Electrical to mechanical
  

• B) Mechanical to electrical
  

• C) Electrical to thermal
  

• D) Thermal to electrical

Which of the following transducers can be used to measure pressure?

• A) Thermistor
  

• B) Strain gauge
  

• C) Photodiode
  

• D) Thermocouple

What does LVDT stand for?

• A) Linear Variable Digital Transducer
  

• B) Linear Variable Differential Transformer
  

• C) Linear Voltage Differential Transformer
  r

• D) Linear Variable Distance Transduce

What is the typical forward voltage drop across a silicon diode?

• A) 0.2 V
  

• B) 0.3 V
  

• C) 0.7 V
  

• D) 1.2 V

What type of diode is used for voltage regulation?

• A) LED
  

• B) Schottky diode
  

• C) Zener diode
  

• D) Varactor diode