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The mechanical power developed by the armature of a dc motor is equal to

February 7, 2022
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The mechanical power developed by the armature of a dc motor is equal to

Q. The mechanical power developed by the armature of a dc motor is equal to

A.            power input mainus copper loss

B.            armature current multiplied by back emf

C.            armature current multiplied by supply emf

D.            power input minus mechanical loss

Answer: armature current multiplied by back emf

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