A motor is designed to operate on 136 volt and draws a


A motor is designed to operate on 136 Volt and draws a current of 12.2 Amp when it first starts up. At its normal operating speed, the motor draws a current of 2.30 Amp.

(a) Determine the resistance of the armature coil?

(b) Determine the back emf developed at normal speed?

V

(c) Find the current drawn by the motor at one-third normal speed?

A

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Physics: A motor is designed to operate on 136 volt and draws a
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