Thermistor MCQ – Thermistor Multiple Choice Questions with Answers

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Multiple choice questions on Thermistor with answers.

Which of the following is a practical application of thermistors

Which of the following is a practical application of thermistors:

  1. Fire alarm
  2. Automotives
  3. Food handling and processing
  4. All of these

Correct answer: 4. All of these

A thermistor finds its application in fire alarm applications, Automotives, and Food handling and processing. Alongside this thermistors are used in industrial electronics.

Which of the following is correct for thermistors

Which of the following is correct for thermistors:

  1. A thermistor is a resistance thermometer
  2. Resistance of NTC thermistor increases with increasing temperature
  3. Resistance of PTC thermistor decreases with increasing temperature
  4. Both 2 & 3

Correct answer: 1. A thermistor is a resistance thermometer

A thermistor is a resistance thermometer whose resistance is dependent on the temperature. The term thermistor is a combination of thermal and resistor.

Is thermistor a sensor

The thermistor is a sensor:

  1. True
  2. False

Correct answer: 1. True

The thermistor is a sensor whose resistance varies with temperature and it can be used to sense temperature.

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How many types of thermistors are there

How many types of thermistors are there:

  1. One
  2. Two
  3. Three
  4. Four

Correct answer: 2. Two

Thermistors are of two types:

  • NTC thermistors: Thermistor whose resistance decreases with increasing temperature
  • PTC thermistors: Thermistor whose resistance increases with increasing temperature

Thermistors are fabricated from

Thermistors are fabricated from:

  1. Insulator materials
  2. Conductor materials
  3. Semiconductors

Correct answer: 3. Semiconductors

Generally thermistors are fabricated from semiconductors.

The temperature range of thermistor is when compared to RTD is

The temperature range of thermistor when compared to RTD is:

  1. Smaller
  2. Same as RTD
  3. Larger

Correct answer: 1. Smaller

The temperature range of the thermistor is smaller as compared to RTD. Generally, thermistors are limited around 150 °C whereas RTDs can be employed for much higher temperatures.

Thermistor can be considered as which type of Resistor

Thermistor can be considered as which type of Resistor:

  1. Laser resistor
  2. Photo resistor
  3. Thermal resistor
  4. None of these

Correct answer: 3. Thermal resistor

The thermistor can be regarded as a resistance thermometer whose resistance is dependent on the temperature.

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