Thermistor and Sensistor Compensation MCQ’s

Electronic Devices & Circuits Electronics & Communication Engineering

This set of Electronic Devices & Circuits Multiple Choice Questions & Answers (MCQs) focuses on “Thermistor and Sensistor Compensation”.

1. The compensation technique uses __________
a) transformers
b) inductors
c) diodes
d) capacitors

2. Which of the following has a negative temperature coefficient of resistance?
a) Thtermistor
b) capacitor
c) sensistor
d) diode

3. Which type of temperature dependent resistor exhibits a positive temperature coefficient of resistivity?
a) Thermistor
b) Sensistor
c) Varistor
d) Photoresistor

4. Which process plays a crucial role in devising the independency of operating point over the variations in temperature or transistor parameters?
a) Bias stabilization
b) Bias compensation
c) Bias stabilization & compensation
d) NO process

5. Which among the below mentioned parameters of transistors is/are likely to get affected or exhibit/s variations due to an increase in temperature?
a) Base-to-Emitter voltage (VBE)
b) Current Gain (βdc)
c) Base-to-Emitter voltage & Current Gain
d) Forward resistance

6. What is /are the purpose/s of adopting stabilization and compensation techniques?
a) To provide maximum bias
b) To provide thermal stabilization
c) To provide maximum bias & thermal stabilization
d) To provide minimum bias

7. On which factor/s do/does the values of thermal resistance depend?
a) Size of transistor
b) Type of cooling system
c) Transistor size & cooling system type
d) Number of holes

8. Generally, the resistance of the thermistor decreases _______
a) Exponentially with an increase in temperature
b) Linearly with an increase in temperature
c) Linearly with the decrease in temperature
d) Exponentially with the decrease in temperature

9. Thermistors provide precise temperature measurements.
a) True
b) False

10. A Thermistor has low resistance.
a) True
b) False

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