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AP-N-P transistor is used in common-emit...

`AP-N-P` transistor is used in common-emitter mode in an amplifier circuit. A change of `40muA` in the base current brings a change of 2 mA in collector current and 0.04 V in base-emitter voltage. Find the , (1) input resistance `(R_("input"))` and
(2). the base current amplification factor `(beta)`.
If a load of `6kOmega` is used then also find the voltage gain of the amplifier

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(i)`1kOmega`,(ii)50 , (iii)300
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