Why does DC motor sometimes run too fast when under-loaded?

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Mr. Dubey

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📊 Electrical Drives and Controls (EDC)

Q. Why does DC motor sometimes run too fast when under-loaded?

(A) due to weak field
(B) due to high line voltage
(C) due to brush-shifted to neutral
(D) all of the mentioned

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✅ Correct Answer: (A) due to weak field

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