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If Ic is collector current , Ib in the b...

If `I_c` is collector current , `I_b` in the base current and `I_e` is emitter current then current gain `alpha` is given as :

A

`alpha =I_b/I_c`

B

`alpha =I_c/I_b`

C

`alpha =I_c/I_e`

D

`alpha=I_e+I_c`

Text Solution

Verified by Experts

The correct Answer is:
C
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