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In an ordinary dynamometer, the deflecting torque is _________

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in Electrical Measurements by (148k points)
In an ordinary dynamometer, the deflecting torque is _________

(a) small

(b) medium

(c) large

(d) very large

The question was posed to me in homework.

The query is from Low Power Factor Wattmeter topic in portion Measurement of Power and Related Parameters of Electrical Measurements

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Best answer
Correct answer is (a) small

Best explanation: The deflecting torque in an ordinary dynamometer is small. The current and pressure coils are excited. The measurement of power factor is inaccurate.

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