In common emitter transistor, current gain is `100` and base current is `2mA` .If load resistance is `0.25Omega` then voltage across load resistance is:
(1) `5V`
(2) `5mV`
(3) `50mV`
(4) `500mV`

If collector current is 120 mA and base current is 2 mA and resistance gain is 3, what is power gain ?

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A common emitter transistor amplifier has a current gain of 50 . If the load resistance is 4k Omega , and input resistance is 500 Omega , the voltage gain of amplifier is.

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The current gain in the common emitter mode of a transistor is 10. The input impedance is 20kOmega and load of resistance is 100k Omega . The power gain is

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A transistor is used in Common-emitter mode in an amplifier circuits. When a signal of 20 mV is added to the base-emitter voltage, the base current changes by 40 muA and the collector current changes by 2mA. The load resistance is 5 kOmega then the voltage gain is