As there is no back e.m.f. at the instant of starting a D.C. motor, in order to prevent a heavy current from flowing though the armature circuit____________________?

Electrical Engineering Mcqs

As there is no back e.m.f. at the instant of starting a D.C. motor, in order to prevent a heavy current from flowing though the armature circuit____________________?

(A)  a resistance is connected in series with armature

(B)  a resistance is connected parallel to the armature

(C)  armature is temporarily open circuited

(D)  a high value resistor is connected across the field winding

Submitted By :Ali Uppal

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