The mechanical power developed in a dc motor is maximum when back emf (Eb) is equal to ------the applied voltage (V)

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Q. The mechanical power developed in a dc motor is maximum when back emf (Eb) is equal to ------the applied voltage (V)

(A) twice
(B) half
(C) one third
(D) none of the above

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✅ Correct Answer: (B) half

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