Question

If a DC shunt motor is working at full load and if shunt field circuit suddenly opens _____________________

a.

Will make armature to take heavy current, possibly burning it

b.

Will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses

c.

Nothing will happen to motor

d.

Motor will come to stop

Posted under DC Machines

Answer: (a).Will make armature to take heavy current, possibly burning it

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Q. If a DC shunt motor is working at full load and if shunt field circuit suddenly opens _____________________

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