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

Which logic gate is represented by the following combination of logic gates ?

If in a p-n junction, a square input signal of 10 V is applied, as shown,



then the output across R_L will be