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The resistivity of semiconductors and insulators decreases linearly with the increase of temperature.

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in Physics – Class 12 by (135k points)
The resistivity of semiconductors and insulators decreases linearly with the increase of temperature.

(a) True

(b) False

I had been asked this question by my college professor while I was bunking the class.

Origin of the question is Current Electricity in chapter Current Electricity of Physics – Class 12

1 Answer

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Right option is (b) False

For explanation: The resistivity of semiconductors and insulators decreases exponentially with the increase in temperature. This is because the number density of free electrons increases exponentially with the increase in temperature.

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