In an n-p-n transistor, the current gain...

In an `n-p-n` transistor, the current gain for common emitter configuration is 80. If the emitter current be 8.1 mA, then base current is

A

`0.1 muA`

B

`0.01 muA`

C

0.1 mA

D

0.01 mA.

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