Question: A motor is designed to operate on 117 V and draws a current of 12.2 A when it first starts up. At its normal operating

A motor is designed to operate on 117 V and draws a current of 12.2 A when it first starts up. At its normal operating speed, the motor draws a current of 2.30 A. Obtain
(a) The resistance of the armature coil,
(b) The back emf developed at normal speed, and
(c) The current drawn by the motor at one-third of the normal speed.

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a On startup the back emf of the generator is zero Then R VI 117 V122 A ... View full answer

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