A4 pole d.C. shunt motor working on 250 V takes a current of 2 A when running in 1000r.p.m. What willbe its back e.m.f., speed and % speed drop if the motor takes 51A at a certain load?Armature and shunt field resistance are 0.2Qand 2502 respectively.

Delmar's Standard Textbook Of Electricity
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ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter5: Resistors
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A4 pole d.C. shunt motor working on 250 V takes a current of 2 A when running
in 1000r.p.m. What willbe its back e.m.f., speed and % speed drop if the motor takes
51A at a certain load?Armature and shunt fieldresistance are 0.2Q and 2502
respectively.
Transcribed Image Text:A4 pole d.C. shunt motor working on 250 V takes a current of 2 A when running in 1000r.p.m. What willbe its back e.m.f., speed and % speed drop if the motor takes 51A at a certain load?Armature and shunt fieldresistance are 0.2Q and 2502 respectively.
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