Physics · AC Circuits
In the case of a three-phase system with an unbalanced load, which of the following statements is correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The neutral wire current is always zero
- 2The line-to-line voltages are always perfectly equal
- 3The vector sum of the line currents is not necessarily zero✓
- 4The sum of the phase angles of each phase is always 120 degrees
Correct answer
The vector sum of the line currents is not necessarily zero
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