Topic: Electronic Devices
Commonly used Thermistors for temperature measurement have
- A. Positive temperature coefficient
- B. Negative temperature coefficient
- C. Zero temperature coefficient
- D. Infinite temperature coefficient
Answer: B. Negative temperature coefficient
Explanation: Thermistors (thermal resistors) used most commonly for temperature measurement are NTC (Negative Temperature Coefficient) type. In an NTC thermistor, the resistance decreases significantly as the temperature increases.