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In a common base amplifier circuit, calc...

In a common base amplifier circuit, calculate the change in base current if that in the emitter current is `2mA` and `alpha=0.98`

A

`0.04 mA`

B

`1.96mA`

C

`0.98 mA`

D

`2 mA`

Text Solution

Verified by Experts

The correct Answer is:
A
`Deltai_(c)=alpha Delta i_(e) =0.98xx2=1.96 mA`
`:. Deltai_(b)=Deltai_(e)-Deltai_(e)=2-1.96=0.04 mA`
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