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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > An n-p-n transistor is connected in common-emitter configuration in which collector supply is 8 V and the voltage drop across the load resistance of 800 ohm connected in the collector circuit is 0.8 V.

An n-p-n transistor is connected in common-emitter configuration in which collector supply is 8 V and the voltage drop across the load resistance of 800 ohm connected in the collector circuit is 0.8 V.

In a silicon transistor the base current is changed by 20 muA. This results in a change of 0.02 V in base to emitter voltage and a change of 2 mA in the collector current. (a) Find the input resistance