Physics · Induction Motors
Why are the rotor bars of a squirrel cage induction motor permanently short-circuited at the ends by end rings?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To eliminate the chances of an open circuit in the stator winding
- 2To ensure a closed electrical path while preventing the insertion of external resistance✓
- 3To prevent short circuits in the stator
- 4To reduce magnetic hum and locking tendency
Correct answer
To ensure a closed electrical path while preventing the insertion of external resistance
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