A230v shunt motor having an armature resistance of 005


A 230V shunt motor having an armature resistance of 0.05 ? and a field resistance of 75?? draws a line current of 7 A while running light at 1120 rev/min. The line current at a given load is 46 A. Determine

(a) the motor speed at the given load,

(b) motor efficiency and

(c) total core and mechanical losses.

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Physics: A230v shunt motor having an armature resistance of 005
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