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Q.

The transfer ratio  β of transistor is 50. The input resistance of a transistor when used in CE configuration is  1 kΩ. The peak value of the collector A.C current for an A.C input voltage of 0.01V peak is

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a

100μA

b

0.01mA

c

500μA

d

25mA

answer is C.

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Detailed Solution

For Input Side,  IB=VR1=0.01103=10−5A  Current Gain,  β=ICIB         ⇒IC=βIB    =50×10−5A = 500×10−6 A = 500μA
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