When the input of differential amplifier V1 = 0, then the differential amplifier is said to be operated in

The correct answer is: A. Common mode

A differential amplifier is an amplifier that amplifies the difference between two input signals. When the input of differential amplifier V1 = 0, then the differential amplifier is said to be operated in common mode. This means that the two input signals are equal, and the output of the amplifier will be zero.

The other options are incorrect because they do not describe the situation when the input of differential amplifier V1 = 0.

• Option B: Differential mode. This is the mode of operation when the
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