engineering recuitment HPCL Junior Executive 2025 Mock Test Electrical and Electronics Measurements Measurement of Power Measurement of Poly Phase Power
In a two-wattmeter method of three-phase power measurement, the two wattmeters indicate equal readings at:
1
Φ = 0°
2
Φ = 30°
3
Φ = 60°
4
Φ = 90°