Electrical Engineering · AC Circuits & Polyphase Systems
Which of the following is a common cause of an unbalanced load in a three-phase electrical power system?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Perfectly balanced supply voltages from the generator
- 2Equal current flowing through all three phase conductors
- 3Symmetrical distribution of load across all three phases
- 4Differences in load impedance or resistance across the individual phases✓
Correct answer
Differences in load impedance or resistance across the individual phases
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