A npn transistor is connected in common emitter configuration in a given amplifier. A load resistance of 800 $$\Omega $$ is connected in the collector circuit and the voltage frop across it is 0.8 V. If the current amplification factor is 0.96 and the input resistance of the circuit is 192 $$\Omega $$, the voltage gain and the power gain of the amplifier will respectively be

Consider the junction diode as ideal. The value of current flowing through AB is

The input signal given to a CE amplifier having a voltage gain of 150 is V_i = 2cos(15t + $${\pi \over 3}$$). The corresponding output signal will be

In the given figure, a diode D is connected to an external resistance R = 100 $$\Omega $$ and an e.m.f. of 3.5 V. If the barrier potential developed across the diode is 0.5 V, the current in the citcuit will be