For the difference amplifier which of the following is true?
A)it responds to the difference between the two signals and rejects the signal that are common to both the signal
B)it responds to the signal that are common to the two inputs only
C)it has a low value of input resistance
D)the efficacy of the amplifier is measured by the degree of its differential signal to the preference of the common mode signal

Question

Quizplus · Accepted Answer

A difference amplifier is designed to amplify the difference between two input signals while rejecting any signals that are common to both inputs, known as common-mode signals.

For the Difference Amplifier Which of the Following Is True