Electrical Engineering · Induction Motors
Which of the following statements are TRUE regarding the comparison between a three-phase induction motor and a single-phase induction motor? (i) Three-phase induction motors are self-starting. (ii) The power factor of a single-phase induction motor is lower than that of a three-phase induction motor of the same rating. (iii) Three-phase induction motors have uniform torque. (iv) Three-phase induction motors require less conductor material compared to a single-phase induction motor for transmitting the same power, making them relatively cheaper per kW.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Only (i), (iii) and (iv)
- 2Only (i), (ii) and (iii)✓
- 3Only (ii) and (iii)
- 4All (i), (ii), (iii) and (iv)
Correct answer
Only (i), (ii) and (iii)
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