An npn transistor operates as a common emitter amplifier

MATHEMATICS · Single correct · ISC · Physics · Current Electricity · Electrical energy and power

Problem

An npn transistor operates as a common emitter amplifier, with a power gain of

60 \text{ dB}

. The input circuit resistance is

100 \Omega

and the output load resistance is

10 \text{ k}\Omega

. The common emitter current gain

\beta

is : (1)

10^2

(2)

60

(3)

6 \times 10^2

(4)

10^4