For the circuit shown in the figure, we wish to find the currents I,, 12, and I3. Use Kirchhoff's rules to obtain equations for a. the upper loop, b. the lower loop, and c. the junction on the left side. In each case, suppress units for clarity and simplify, combining the terms. d. Solve the junction equation for I3. e. Using the equation found in part (d), eliminate I3 from the equation found in part (b). f. Solve the equations found in parts (a) and (e) simultaneously for the two unknowns I, and I2. g. Substitute the answers found in part (f) into the junction equation found in part (d), solving for I3. h. What is the significance of the negative answer for 1,? 18.0 V 5.00 2 8.00 N 12.0 V 11.0 N 7.00 N 5.00 N 36.0 V

For the circuit shown in the figure, we wish to find the currents I,, 12, and I3. Use Kirchhoff's rules to obtain equations for a. the upper loop, b. the lower loop, and c. the junction on the left side. In each case, suppress units for clarity and simplify, combining the terms. d. Solve the junction equation for I3. e. Using the equation found in part (d), eliminate I3 from the equation found in part (b). f. Solve the equations found in parts (a) and (e) simultaneously for the two unknowns I, and I2. g. Substitute the answers found in part (f) into the junction equation found in part (d), solving for I3. h. What is the significance of the negative answer for 1,? 18.0 V 5.00 2 8.00 N 12.0 V 11.0 N 7.00 N 5.00 N 36.0 V

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 the figure, we wish to find the currents I,, 12, and I3. Use Kirchhoff's
rules to obtain equations for
a. the upper loop,
b. the lower loop, and
c. the junction on the left side. In each case, suppress units for clarity and simplify, combining
the terms.
d. Solve the junction equation for I3.
e. Using the equation found in part (d), eliminate I3 from the equation found in part (b).
f. Solve the equations found in parts (a) and (e) simultaneously for the two unknowns I, and
I2.
g. Substitute the answers found in part (f) into the junction equation found in part (d), solving
for I3.
h. What is the significance of the negative answer for 1,?
18.0 V
5.00 2
8.00 N
12.0 V
11.0 N
7.00 N
5.00 N
36.0 V

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