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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

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

Q. 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

Answer: a resistance is connected in series with armature

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