SSC SSC JE Electrical 2025 Mock Test Series (Paper 1 & Paper 2) Electrical and Electronics Measurements Measurement of Power Measurement of Poly Phase Power
In a two wattmeter method of 3-phase power measurement, one of the wattmeter shows zero reading -
1
When power factor is 0.5.
2
When there is no neutral connection.
3
When power factor is unity.
4
When load is one of the phase is zero.