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When an electric field is applied across...

When an electric field is applied across a semiconductor,

A

(a) electrons move from lower energy level to higher energy level in the conduction band.

B

(b) electrons move from higher energy level to lower energy level in the conduction band.

C

(c ) holes in the valence band move from higher energy level to lower energy level.

D

(d ) holes in the valence band move from lower energy level to higher energy level.

Text Solution

Verified by Experts

The correct Answer is:
A, C
Electrons take the energy and move up to neat higher energy level both in conduction and valance band. So, hole move downwards due to movement of electron.
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