Physics · AC Circuits

Which of the following is true when there is an unbalanced star-connected load in a three-phase system with a neutral connection?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1The power factor in each phase of the load is equal
2The magnitude of current in each phase of the load is always equal
3There is an imbalance in the load phase voltages if the neutral wire is absent or has high impedance✓
4The current in the neutral terminal is zero

Correct answer

There is an imbalance in the load phase voltages if the neutral wire is absent or has high impedance

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