Questions

In a n-p-n transistor in common base configuration, keeping the base current unchanged if the collector-emitter voltage changes by 0.2 volt, it is observed that the collector current changes by 0.1 mA. Then output resistance of the transistor is

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detailed solution

Correct option is D

R0=ΔVCEΔIC at constant IB=0.20.1×10−3Ω=2 KΩ

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