Download Aptitude Crack
img not found img not found

Operational Amplifiers - Technical MCQs

Q1:

Another name for a unity gain amplifier is:

A difference amplifier

B comparator

C single ended

D voltage follower

ANS:D - voltage follower

Gain is nothing but the ratio of output and input voltage. When gain is 1, both the input and output voltages are same which means the output is followed by the input. Hence it is a voltage follower.