NEET Physics Semiconductor Electronics Questions Solved


The input resistance of a silicon transistor is

100 Ω. Base current is changed by 40 μA

which results in a change in collector current

by 2 mA. This transistor is used as a commom-

emitter amplifier with a load resistance of 4 kΩ.

The voltage gain of the amplifier is

(a) 2000

(b) 3000

(c) 4000

(d) 1000

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