M

Mr. Dubey • 53.05K Points
Coach 

Q. connected across AC supply?

(A) will run at normal speed
(B) will not run
(C) will run at lower speed
(D) burn due to heat produced in the field winding
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Explanation by: Mr. Dubey 
 in case of parallel field connection, it won’t rotate at all and will start humming and will create vibrations, as a torque produced by positive and negative cycle will cancel out each other. dc motor will be heated up and it may burn.

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