A change of 0.04 V takes place between t...

A change of 0.04 V takes place between the base and the emitter when an input signal is connected to the CE transistor amplifier. As a result, `20 mu A` change takes place in the base current and a change of 2 mA takes place in the collector current. Find the input resistance and A.C. current gain

`2kOmega,100`

`1kOmega,100`

`2kOmega,200`

`1kOmega,200`

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