railway RRB JE (CBT I + CBT II) Mock Test 2024 Electrical and Electronics Measurements Measurement of Power Measurement of Poly Phase Power
Which of the following condition must be satisfied to measure the power delivered to a 3-phase load, using only 2 wattmeters?
1
Load must be unbalanced
2
Load must be connected to the source through 4-wires
3
Load must be connected to the source through 3-wires
4
Load must be balanced