For the circuit shown in the figure below,we wish to find the currents I,, I2, and I2 18.0 V 5.00 N 8.00 Ω 12.0 V 11.0 N 7.00 N 5.00 Q 36.0 V (a) Use Kirchhoff's rules to complete the equation for the upper loop. (Use any variable or symbol stated above as necessary. All currents are given in amperes. Do not enter any units.) 30 V = 30.0 –-13.00(,) – -18.0(I,) = 0 A Your answer includes 1 character that can't be graded. Delete your recent changes and use the pad tools to finish your answer. More information (b) Use Kirchhoff's rules to complete the equation for the lower loop. (Use any variable or symbol stated above as necessary. All currents are given in amperes. Do not enter any units.) -24 V = (c) Use Kirchhoff's rules to obtain an equation for the junction on the left side. (Use any variable or symbol stated above as necessary. All currents are given in amperes.)

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Ch. 27 

(e) Using the equation found in part (d), eliminate I, from the equation found in part (b). (Use any variable or symbol stated above as necessary. All currents are given in amperes. Do not
enter any units.)
24 V =
(f) Solve the equations found in part (a) and part (e) simultaneously for the two unknowns for I, and I,, respectively.
I =
A
I2 =
A
(g) Substitute the answers found in part (f) into the junction equation found in part (d), solving for I2.
I3 =
A
(h) What is the significance of the negative answer for I,?
Transcribed Image Text:(e) Using the equation found in part (d), eliminate I, from the equation found in part (b). (Use any variable or symbol stated above as necessary. All currents are given in amperes. Do not enter any units.) 24 V = (f) Solve the equations found in part (a) and part (e) simultaneously for the two unknowns for I, and I,, respectively. I = A I2 = A (g) Substitute the answers found in part (f) into the junction equation found in part (d), solving for I2. I3 = A (h) What is the significance of the negative answer for I,?
For the circuit shown in the figure below,we wish to find the currents I,, I2, and Iz.
18.0 V
5.00 Q
8.00 N
12.0 V
11.0 Q
7.00 N
5.00 N
36.0 V
(a) Use Kirchhoff's rules to complete the equation for the upper loop. (Use any variable or symbol stated above as necessary. All currents are given in amperes. Do not enter any units.)
Your answer includes 1 character that can't be graded.
30 v = 30.0 – -13.00(,) – –18.0(I2) = 0
Delete your recent changes and use the pad tools to finish your answer. More information
(b) Use Kirchhoff's rules to complete the equation for the lower loop. (Use any variable or symbol stated above as necessary. All currents are given in amperes. Do not enter any units.)
-24 V =
(c) Use Kirchhoff's rules to obtain an equation for the junction on the left side. (Use any variable or symbol stated above as necessary. All currents are given in amperes.)
(d) Solve the junction equation for I2.
I3 =
Transcribed Image Text:For the circuit shown in the figure below,we wish to find the currents I,, I2, and Iz. 18.0 V 5.00 Q 8.00 N 12.0 V 11.0 Q 7.00 N 5.00 N 36.0 V (a) Use Kirchhoff's rules to complete the equation for the upper loop. (Use any variable or symbol stated above as necessary. All currents are given in amperes. Do not enter any units.) Your answer includes 1 character that can't be graded. 30 v = 30.0 – -13.00(,) – –18.0(I2) = 0 Delete your recent changes and use the pad tools to finish your answer. More information (b) Use Kirchhoff's rules to complete the equation for the lower loop. (Use any variable or symbol stated above as necessary. All currents are given in amperes. Do not enter any units.) -24 V = (c) Use Kirchhoff's rules to obtain an equation for the junction on the left side. (Use any variable or symbol stated above as necessary. All currents are given in amperes.) (d) Solve the junction equation for I2. I3 =
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