Physics · Electrical Machines
In a 3-phase alternator, when the armature reaction completely opposes the main field flux (demagnetizing effect) and causes it to weaken without any cross-magnetization, the machine is operating at which power factor?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.5 power factor lagging
- 2Zero power factor leading
- 3Zero power factor lagging✓
- 4Unity power factor
Correct answer
Zero power factor lagging
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