Question

explain depletion layer in pnp transistor???

Answer 1

Depletion layer is defined as the area where immobile ions exist. That is the area where positive and negative immobile ions exist due to which potential difference is created.
In pnp transistor there are two depletion layers formed.
suppose we have common emitter pnp transistor then one layer is formed between emitter base and another between collector base junction.

Answer 2

The depletion layer is the width between two opposite materials..
For pnp transistor there are 2 depletion layers will form as their are two junctions..
I hope this will help you....