Electrical Engineering · Electrical Measurements
In a three-phase power measurement using the two-wattmeter method, what is the required condition for the load to have a unity power factor?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The reading of one wattmeter should be double the reading of the other.
- 2The reading of one wattmeter should be half the reading of the other.
- 3The readings of both wattmeters must be identical.✓
- 4The difference between the two wattmeter readings must be exactly one.
Correct answer
The readings of both wattmeters must be identical.
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