Mathematics · Electrical Measurements
An electrodynamic wattmeter has a current coil carrying 5 A and a pressure coil connected across 100 V. The load has a power factor of 0.8 lagging, and the meter constant is 0.5 Nm per watt. What is the approximate deflecting torque produced in the instrument?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1200 Nm✓
- 2150 Nm
- 3100 Nm
- 4225 Nm
Correct answer
200 Nm
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