Answered: 18.0 V 5.00 N 8.00 N 12.0 V 7.00 N 11.0…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

For the circuit shown in Figure
P18.30, use Kirchhoff’s rules to obtain equations
for (a) the upper loop, (b) the lower
loop, and (c) the node on the left side. In
each case suppress units for clarity and simplify, combining like
terms. (d) Solve the node equation for I₃₆. (e) Using the equation
found in (d), eliminate I₃₆ from the equation found in
part (b). (f) Solve the equations found in part (a) and part (e)

simultaneously for the two unknowns for I₁₈ and I₁₂, respectively.
(g) Substitute the answers found in part (f) into the node equation
found in part (d), solving for I₃₆. (h) What is the significance
of the negative answer for I₁₂?

18.0 V
5.00 N
8.00 N
12.0 V
7.00 N
11.0 N
12
5.00 N
I36
36.0 V
Figure P18.30

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