Physics · DC Machines
Which of the following methods most effectively minimizes sparking at the commutator during commutation in a high-load DC machine?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Employing interpoles with proper polarity✓
- 2Reducing the number of armature conductors
- 3Using a laminated armature core
- 4Increasing the brush pressure
Correct answer
Employing interpoles with proper polarity
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