Physics · Three-Phase Power Measurement
What is the minimum set of instruments required to measure the power factor of a balanced three-phase load?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1One wattmeter and one voltmeter
- 2Two ammeters
- 3A pair of wattmeters (Two-wattmeter method)✓
- 4One wattmeter and one ammeter
Correct answer
A pair of wattmeters (Two-wattmeter method)
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