What is the purpose of a differential amplifier in voltmeter? Options: A . &nbspElimination of unwanted signals B . &nbspTo find difference of voltages C . &nbspTo eliminate DC components D . &nbspTo set a certain voltage level

What is the purpose of a differential amplifier in voltmeter?

Question

What is the purpose of a differential amplifier in voltmeter?

Options:

A . Elimination of unwanted signals

B . To find difference of voltages

C . To eliminate DC components

D . To set a certain voltage level

Answer: Option A
Answer: (a).Elimination of unwanted signals

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