The dynamometer principle can be used for
A. ammeter only
B. voltmeter only
C. wattmeter only
D. ammeter, voltmeter and wattmeter
Show Answer
Answer: D
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The dynamometer principle can be used for
A. ammeter only
B. voltmeter only
C. wattmeter only
D. ammeter, voltmeter and wattmeter
Answer: D
Share your understanding of this question with the correct explanation.