Relevant Competitive Tests:
In a differentially compounded D.C. motor, if shunt field suddenly opens____________?
A. the motor will first stop and then run in opposite direction as series motorCorrect Answer
B. the motor will work as series motor and run at slow speed in the same direction
C. the motor will work as series motor and run at high speed in the same direction
D. the motor will not work and come to stop
Correct Option: A. the motor will first stop and then run in opposite direction as series motor
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