Question

In the expression vo= -Avn, A is called ______________

(a) Closed loop gain

(b) Closed loop fault

(c) Open loop fault

(d) Open loop gain

The question was asked in an interview.

My question is taken from The Inverting and Non-Inverting Amplifier Circuit in chapter The Operational Amplifier of Electric Circuits

Answer 1

Correct choice is (d) Open loop gain

The explanation is: A is called open loop gain.