the circuit below, two currents are known (as indicated in the circuit) but the emfs of two batteries are not known. a) Determine the current in the 4-Ohms resistor and indicate its direction. b) Use the loop rule in the top loop, starting from node a and going clockwise, to determine the unknown emf E1.  c) Use the loop rule along

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter23: Faraday’s Law And Inductance
Section: Chapter Questions
Problem 74P
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In the circuit below, two currents are known (as indicated in the circuit) but the emfs of two
batteries are not known.
a) Determine the current in the 4-Ohms resistor and indicate its direction.
b) Use the loop rule in the top loop, starting from node a and going clockwise, to determine the unknown emf E1. 
c) Use the loop rule along the contour of the circuit, starting from node a and going clockwise, to determine the unknown emf E2.
d) Calculate the voltage between the nodes labeled a and b. 

1.00 Α |
a
1.00 Ω 20.0 V
MME
4.00 Ω
www
2.00 A | 1.00Ω ΕΣ
ME
6.00 Ω
www
1.00 Ω Ε
wmob
2.00 Ω
-www
Transcribed Image Text:1.00 Α | a 1.00 Ω 20.0 V MME 4.00 Ω www 2.00 A | 1.00Ω ΕΣ ME 6.00 Ω www 1.00 Ω Ε wmob 2.00 Ω -www
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