Physics · Electrical Engineering Basics
Which of the following statements is NOT correct regarding a three-phase electrical system?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The amount of conducting material required to transfer the same amount of power is less than in single-phase systems.
- 2There is no self-starting torque in three-phase induction motors, so an auxiliary device is required for starting.✓
- 3The torque produced by three-phase motors is uniform and high.
- 4Domestic and industrial loads can be supplied simultaneously from a single three-phase system.
Correct answer
There is no self-starting torque in three-phase induction motors, so an auxiliary device is required for starting.
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