Physics · Electrical Measurements
In a three-phase power measurement using the two-wattmeter method, when the power factor of a balanced delta-connected load is zero, what will be the individual readings of the two wattmeters?
- 1√32 × VL × IL and √32 × VL × IL
- 2√3 × VL × IL and √3 × VL × IL
- 3√32 × VL × IL and −√32 × VL × IL✓
- 4√3 × VL × IL and −√3 × VL × IL
Correct answer
√32 × VL × IL and −√32 × VL × IL
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