Physics · Electrical Machines
What happens to the power factor of a 3-phase induction motor as its mechanical load is gradually increased from no-load to full-load and beyond?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The power factor remains constant.
- 2The power factor continuously decreases.
- 3The power factor decreases up to full load and then increases.
- 4The power factor increases up to full load and then falls again.✓
Correct answer
The power factor increases up to full load and then falls again.
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