First slide

Classification of Metals, semiconductors and insulators

Question

Choose the correct statement.

Easy

A

When we heat a semiconductor its resistance increases.
B

When we heat a semiconductor its resistance decreases.
C

When we cool a semiconductor to 0 K, then it becomes superconductor.
D

Resistance of a semiconductor is independent of temperature.

Solution

With rise in temperature, conductivity of semiconductor increases while resistance decreases.

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