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If N(P) and N(e) be the numbers of holes...

If `N_(P)` and `N_(e)` be the numbers of holes and conduction electrons in an extrinsic semiconductor, then

A

`N_(P) gt N_(e)`

B

`N_(P)=N_(e)`

C

`N_(P) lt N_(e)`

D

`N_(P) gt N_(e)` or `N_(P) lt N_(e)` depending on the nature of impurity

Text Solution

Verified by Experts

The correct Answer is:
D
`underset(S.C.)("Extrinsic") underset(to N-Type(n_(e) gt gt n_(p)))(to P-Type(n_(p) gt gt n_(e)))`
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