Physics · Electrical Measurements
In the two-wattmeter method of measuring three-phase power, if W1 = VLILcos(30° - φ) and W2 = VLILcos(30° + φ), then the expression for total reactive power Q is:
- 11.414(W1 - W2)
- 2√3(W1 + W2)
- 30.707(W1 - W2)
- 4√3(W1 - W2)✓
Correct answer
√3(W1 - W2)
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