Analog Electronics - Engineering

Q1:

The open loop gain of an amplifier is 50 but likely to decrease by 20% due to various factors. If negative feedback with β = 0.1 is used, the change in gain will be about

A 20%

B 2%

C 0.5%

D 0.05%

ANS:C - 0.5%

The stabilisation of gain is one of the advantages of closed loop system.