Question 502Electricity & Electronics - Assistant Engineer

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What is the name of the semiconductor that decreases in resistance with an increase in temperature?

Athermopile
Bthermistor
Cdiode
Dresistor
AI Explanation

The correct answer is B) thermistor. A thermistor is a type of semiconductor that decreases in electrical resistance as its temperature increases. This inverse relationship between resistance and temperature is a key characteristic of thermistors, making them useful for temperature sensing and control applications. The other options are not correct: A) A thermopile is a series of thermocouples used to measure temperature differences. C) A diode is a semiconductor that allows electrical current to flow in only one direction. D) A resistor is a passive electronic component that is designed to have a specific, constant resistance.

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Official Resources
46 CFR Electrical Engineering 46 CFR Machinery & Electrical USCG National Maritime Center
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