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Sparking is discouraged in a DC motor.

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in DC Machines by (506k points)
Sparking is discouraged in a DC motor.

(a) True

(b) False

This question was posed to me during an interview.

I'm obligated to ask this question of DC Motor Basics -1 in division DC Motors of DC Machines

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The correct option is (b) False

The best I can explain: Sparking at brushes and commutator segments lead to damage of commutators, which is the main distinguishable component in a DC machine. So, it is advisable to fasten the commutation speed and avoid sparking.

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