engineering recuitment NCRTC Junior Engineer Mock Test Series 2025 Electrical and Electronics Measurements Measurement of Power Measurement of Poly Phase Power
In two wattmeter method of three-phase power measurements, when the power factor is 0.5?
1
The reading of the two wattmeters are equal and positive
2
The reading of the two wattmeters are equal and opposite
3
The total power is measured by only one wattmeter
4
The reading of the two wattmeter are not equal and positive