The starting resistance of a dc motor is usually
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If the applied voltage to a dc shunt motor is halved and the load torque doubled, the armature current will be
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The speed of a series wound dc motor
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The armature of a dc motor is laminated
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In dc motor, the rotor is
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In a dc motor, unidirectional torque is produced with the help of
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The resistance of the field regulator of a dc shunt motor is of order of
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A shunt motor is fitted with a field regulator for speed control. For constant torque load, the speed will be minimum when the resistance of the regulator is
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