m Ram=60 Rm 149 kl Rak = 80 Rah = 492 Rmh h Rmg = 120 Rkg = 50 1592 Rng = 102 9

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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1. Determine the effective resistance Rmx, from node m to node x. Use wye-delta transformation twice and add resistors accordingly.

2. If an ideal current source of 1.0 A is connected from node x to node m, injecting current into node m, and node x is to be considered as ground, what will be the voltage Vm?

m
Ram=60
Rm 149
kl
Rak = 80
Rah = 492
Rmh
h
Rmg = 120
Rkg = 50
1592
Rng
= 102
9
Transcribed Image Text:m Ram=60 Rm 149 kl Rak = 80 Rah = 492 Rmh h Rmg = 120 Rkg = 50 1592 Rng = 102 9
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