Choose the correct statement - Vidyadip

MCQ

Choose the correct statement

A
When we heat a semiconductor its resistance increases
✓
When we heat a semiconductor its resistance decreases
C
When we cool a semiconductor to $0 K$ then it becomes super conductor
D
Resistance of a semiconductor is independent of temperature

✓

Answer

Correct option: B.

When we heat a semiconductor its resistance decreases

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

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