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A transistor is used in common-emitter m...

A transistor is used in common-emitter mode in an amplifier circuit. When a signal of 30mV is added to the base-emitter voltage, the base current changes by `30muA` and collector current by 3mA. The load resistance is`5kOhm`. Calculate (i) the current gain `beta_(ac)` (ii) the input resistance `R_(BE)` (iii) trans-conductance and (iv) voltage gain.

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The correct Answer is:
(i) 100 (ii) `1000 Omega` (iii) `0.15Omega^(-1)` (iv) 500
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