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A motor is designed to operate on 132 V and draws a current of 9.4 A when it first starts up. At its normal operating speed, the motor draws a current of 3.90 A.

(a) What is the resistance of the armature coil?

(b) What is the back emf developed at normal speed?

(c) What is the current drawn by the motor at one-fifth normal speed?

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  • Category:- Physics
  • Reference No.:- M9993732

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