Physics · Electrical Measurements and Instrumentation
To measure the power factor of a balanced three-phase load, which minimum set of instruments is required?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1One wattmeter and one voltmeter
- 2One wattmeter and one ammeter
- 3A pair of wattmeters✓
- 4Two ammeters
Correct answer
A pair of wattmeters
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