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The output power of any electrical (AC or DC) motor is taken from the ______________

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The output power of any electrical (AC or DC) motor is taken from the ______________

(a) Field

(b) Coupling mounted on the shaft

(c) Armature

(d) Motor frame

This question was addressed to me during an online exam.

The origin of the question is DC Motor Basics -2 in section DC Motors of DC Machines

1 Answer

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Best answer
The correct choice is (b) Coupling mounted on the shaft

Easy explanation: The output power of any electrical motor is always taken from the coupling mounted on the shaft because the motor converts input electrical power into output mechanical power. So, we get mechanical power at shaft coupling.

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