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In a common emitter configuration, a tra...

In a common emitter configuration, a transistor has `beta=50` and input resistance `1kOmega`. If the peak value of a.c. input is 0.01 V then the peak value of collector current is

A

`0.01muA`

B

`0.25muA`

C

`100muA`

D

`500muA`

Text Solution

Verified by Experts

The correct Answer is:
D
Here, `beta=50`
Input resistance, `R_(i)=1kOmega=10^(3)Omega`
Input voltage, `V_(i)=0.01V=10^(-2)V`
Base current, `I_(b)=(V_(i))/(R_(i))=(10^(-2)V)/(10^(3)Omega)=10^(-5)A`
`becausebeta=(I_(c))/(I_(b))`
`therefore" Collector current, "I_(c)=betaI_(b)=50xx10^(-5)A=500xx10^(-6)A`
`=500muA`
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