What will happen if shunt field suddenly opens, in a differential comp – McqOptions

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1.	What will happen if shunt field suddenly opens, in a differential compound DC motor?
A.	Motor will first stop and then run in opposite direction as series motor
B.	Motor will not work and come to stop
C.	Motor will work as series motor and run at infinitely high speed
D.	Motor will work as series motor and run at slow speed
Answer» B. Motor will not work and come to stop

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