Physics · AC Power Measurement
In the two-wattmeter method of three-phase power measurement, what is observed when the power factor of the load is 0.5?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The readings of both wattmeters are equal and positive
- 2The readings of both wattmeters are equal and opposite
- 3The total power is measured by only one wattmeter (the other reads zero)✓
- 4The readings of both wattmeters are unequal and positive
Correct answer
The total power is measured by only one wattmeter (the other reads zero)
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