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In a DC shunt motor, what will be the armature current at maximum load?

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In a DC shunt motor, what will be the armature current at maximum load?

(a) Almost negligible

(b) Rated full-load current

(c) Less than full-load current

(d) More than full-load current

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This intriguing question comes from Operating Characteristics of DC Shunt Motor -1 topic in portion Characteristics of DC Motors of DC Machines

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Correct choice is (d) More than full-load current

Easy explanation: As the load will increase in rapid manner, speed change in DC shunt motor will be visible. As load increase, speed will decrease, though by some small value. From, current armature characteristic armature current will be more than the earlier case.

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