Consider an amplifier circuit in which a transistor is used in common-emitter mode. The load resistance 3 
. When a signal of 
is added to base emitter voltage, the base current is changed by 
and the collector current is changed by 
. The power gain in this circuit will be
Text Solution
Verified by ExpertsThe correct answer is:
C
Given, load resistance in common emitter mode,
Input voltage, 
Base current changes by
collector current changes by
In common emitter mode, current gain
Input resistance,
Power gain
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