A R, - 60 R, = 50 R, - 40 Vas 60V R=150

Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter30: Dc Motors
Section: Chapter Questions
Problem 6RQ: What is CEMF?
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The Substitution Theorem predicts that it is possible to replace part of a circuit with another that is equivalent to this one. That is, in that sector, the voltage and current intensity must remain the same to the previous ones. For the following circuit, indicate which option can be used between terminals A and B for this purpose.

answer:V = 20 V e R = 25Ω

R; - 60
R, = 50
R, = 40
VAS
60V
R =150
Transcribed Image Text:R; - 60 R, = 50 R, = 40 VAS 60V R =150
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