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.
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
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter5: Resistors
Section: Chapter Questions
Problem 1PA
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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.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F894dab20-aa30-4a25-92d3-07398703dd46%2Fda526cf1-ba22-41e0-bd91-722b2c4c9643%2Fsm2mmmp_processed.jpeg&w=3840&q=75)
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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