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In a transistor circuit the base current...

In a transistor circuit the base current changes from `30 mu A` to `90 mu A`. If the current gain of the transistor is `30`, the change in the collector current is.

A

4mA

B

2 mA

C

`3.6mA`

D

`1.8mA`

Text Solution

Verified by Experts

The correct Answer is:
D
`DeltaI_(B)=DeltaI_(E)-DeltaI_(C) and beta=(DeltaI_(C))/(DeltaI_(B))`
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