[" 56.A common emitter amplifier has a voltage gain of "],[50," an input impedance of "100Omega" and an autput "],[" impedance of "200" ?..The power gain of the "],[" amplifier is "],[[" (1) "100],[" (2) "500],[" (3) "1000],[" (4) "1250]],[" - 57.In the following circuit the outnut "y" for all possible "]