Q
The principle on which vector voltmeter is based is_____________?
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A
A. That it works on the principle of complex variation
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B
B. That it measures the response of linear ramp voltage
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C
C. Same as digital meter
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D
D. That it measures the amplitude of a single at two points and at the same time measures their phase difference
Correct Answer:
D. D. That it measures the amplitude of a single at two points and at the same time measures their phase difference
