Physics · Electrical Machines
How can the copper loss in an AC motor winding be reduced to improve its operating efficiency?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1By reducing the electrical resistance of the stator and rotor windings✓
- 2By increasing the operating temperature of the winding core
- 3By using materials with lower electrical conductivity for the conductors
- 4By increasing the frequency of the input supply indefinitely
Correct answer
By reducing the electrical resistance of the stator and rotor windings
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