A 220-V DC series motor takes 40-A when running at 700-RPM. The armature and field resistances are 0.51-oh and 0.1-ohm, respectively. The speed of this motor in RPM if the field is shunted by a resistance equal to the fie resistance and load torque is the same is nearest to;. A. 780 B. 880 C. 980 D.990
A 220-V DC series motor takes 40-A when running at 700-RPM. The armature and field resistances are 0.51-oh and 0.1-ohm, respectively. The speed of this motor in RPM if the field is shunted by a resistance equal to the fie resistance and load torque is the same is nearest to;. A. 780 B. 880 C. 980 D.990
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter32: Three-phase Motors
Section: Chapter Questions
Problem 13RQ: A squirrel-cage induction motor is operating at 1175 RPM and producing a torque of 22 Ib-ft. What is...
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![A 220-V DC series motor takes 40-A when running at 700-RPM. The armature and field resistances are 0.51-oh
and 0.1-ohm, respectively. The speed of this motor in RPM if the field is shunted by a resistance equal to the fie
resistance and load torque is the same is nearest to;.
A. 780
B. 880
C.980
D.990](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Faae4dc25-cbe5-4ec1-93b9-95f26d94a949%2F801f0c02-8e58-4856-b3b6-9f612e673564%2Fg60tyb9_processed.png&w=3840&q=75)
Transcribed Image Text:A 220-V DC series motor takes 40-A when running at 700-RPM. The armature and field resistances are 0.51-oh
and 0.1-ohm, respectively. The speed of this motor in RPM if the field is shunted by a resistance equal to the fie
resistance and load torque is the same is nearest to;.
A. 780
B. 880
C.980
D.990
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