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A semiconductor has equal electron and h...

A semiconductor has equal electron and hole concentration of `6 xx 10^8` per `m^3`. On doping with certain impurity, electron concentration increases to `9 xx 10^12` per `m^3` .The new hole concentration is

A

`4 xx 10^(4)m^(-3)`

B

`1.5 xx 10^(4)m^(-3)`

C

`6 xx10^(8) m^(-3)`

D

9 xx 10^(12)m^(-3)

Text Solution

Verified by Experts

The correct Answer is:
A
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