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If alpha=0.98 and current through emitte...

If `alpha=0.98` and current through emitter `i_(e)=20 mA`, the value of `beta` is

A

`4.9`

B

`49`

C

`96`

D

`9.6`

Text Solution

Verified by Experts

The correct Answer is:
B
`beta=(alpha)/(1-alpha)=0.98/(1-0.98)=49`.
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