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The current gain alpha of a transistor i...

The current gain `alpha` of a transistor is 0.95 . The change in emitter current is 10 mA. The change is base current is :

A

`9.5 mA`

B

`0.5 mA`

C

`10.5 mA`

D

`((200)/19)mA`

Text Solution

Verified by Experts

The correct Answer is:
B
`alpha=I_C/I_E=(I_E-I_B)/I_E`
`implies0.95=(10-I_B)/10" "impliesI_B=0.5mA`
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