1.

If a D.C. shunt motor is working at full load and if shunt field circuit suddenlyopens

A. this will make armature to take heavy current, possibly burning it
B. this will result in excessive speed, possibly destroying armature due toexcessive centrifugal stresses
C. nothing will happen to motor
D. motor will come to stop
Answer» B. this will result in excessive speed, possibly destroying armature due toexcessive centrifugal stresses


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