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A 220 V shunt motor has armature and field resistances of 0.5 Q and 220 Q respectively. Initially, the motor is running at 1000 rpm by drawing 10 A current from the supply for fan type of load. Calculat the new armature current if an external armature resistance of value 5 0 is inserted in the armature circuit. O 12 A O 5 A O 7A O 10 A

A 220 V shunt motor has armature and field resistances of 0.5 Q and 220 Q respectively. Initially, the motor is running at 1000 rpm by drawing 10 A current from the supply for fan type of load. Calculat the new armature current if an external armature resistance of value 5 0 is inserted in the armature circuit. O 12 A O 5 A O 7A O 10 A

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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A 220 V shunt motor has armature and field resistances of O.5 Q and 220 0 respectively. Initially, the motor is running at 1000 rpm by drawing 10 A current from the supply for fan type of load. Calculat, the new armature current if an external armature resistance of value 5 Q is inserted in the armature circuit. 12 A 5 A O 7A 10 A
Transcribed Image Text:A 220 V shunt motor has armature and field resistances of O.5 Q and 220 0 respectively. Initially, the motor is running at 1000 rpm by drawing 10 A current from the supply for fan type of load. Calculat, the new armature current if an external armature resistance of value 5 Q is inserted in the armature circuit. 12 A 5 A O 7A 10 A
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