Which of these instruments is dynamometers type?
A. Wattmeter
B. Power factor meter
C. Frequency meter
D. Both Wattmeter and Power factor meter
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Answer: D
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Which of these instruments is dynamometers type?
A. Wattmeter
B. Power factor meter
C. Frequency meter
D. Both Wattmeter and Power factor meter
Answer: D
Share your understanding of this question with the correct explanation.