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Why is the speed of DC shunt motor dependent on Back EMF?

February 7, 2022
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Why is the speed of DC shunt motor dependent on Back EMF?

Q. Why is the speed of DC shunt motor dependent on Back EMF?

A.            Because flux is proportional to the armature current

B.            Because armature drop is negligible

C.            Because Back EMF is equal to armature current

D.            Because flux is constant in DC shunt motor

Answer: Because flux is constant in DC shunt motor.

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