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In an NPN transistor the collector curre...

In an `NPN` transistor the collector current is `24 mA`. If `80%` of electrons reach collector it base current in `mA` is

A

3

B

6

C

10

D

20

Text Solution

Verified by Experts

The correct Answer is:
B

`I_(c)=80/100I_(e)`
or `I_(e)=(100I_c)/80=100/80xx24 mA=30 mA`
`I_b=I_(e)-I_c=30-24=6 mA`
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