engineering recuitment UKPSC Polytechnic Lecturer Mock Test 2024 Analog Electronics Oscillators and Feedback Amplifier Feedback Amplifier
In an amplifier with a negative feedback circuit, gain Af is given by:
1
Af = (1 + Am)/A
2
Af = (1 - Am)/A
3
Af = A/(1 - AM)
4
Af = A/(1 + AM)