Electrical Engineering · Electrical Machines
If a DC motor starts with a heavy jerk, what may be the possible reason?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Wrong grade of carbon brushes
- 2Pitted or damaged starter contact terminals✓
- 3Short circuit of the field winding
- 4Line voltage is too high
Correct answer
Pitted or damaged starter contact terminals
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