Question

Fig. shows a common–emitter amplifier. The current gain α of transistor is 100/101. For an input signal voltage Vi = 2 mV; the output voltage V0 is

(1) 50 mV

(2) 50 mV

(3) 1 V

(4) 5 V

Answer 1

Correct option: (3) 1 V

Explanation:

The voltage gain

where β is current gain in common emitter configuration