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A balanced star-connected load with impedance of 20 ∠– 300 ohm is supplied from a 3-phase, 4-wire, 173 volts system, the voltages to neutral being 100 ∠– 900, 100 ∠– 300 and 100 ∠– 1500 V. The current in the neutral wire is _______ A
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- 1
- 2
- 3
- None of the above
Correct Option: D
Since applied 3-phase voltage is balanced and the impedances are all equal, the currents also would be balanced, as a result there is no current in the neutral wire.
