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SECTION 8.8 Mesh Analysis (Format Approach)
25. Using the format approach, write the mesh equations for
the networks of Fig. 8.104. Is symmetry present? Using
determinants, solve for the mesh currents.
26. a. Using the format approach, write the mesh equations
for the networks of Fig. 8.105.
b. Using determinants, solve for the mesh currents.
c. Determine the magnitude and direction of the current
through each resistor.
27. a. Using the format approach, write the mesh equations
for the networks of Fig. 8.106.
b. Using determinants, solve for the mesh currents.
c. Determine the magnitude and direction of the current
through each resistor.
28. Using mesh analysis, determine the current I3 for the network
of Fig. 8.107, and compare your answer to the solution
of Problem 15.
29. Using mesh analysis, determine I5� and Va for the network
of Fig. 8.109(b).
30. Using mesh analysis, determine the mesh currents for the
networks of Fig. 8.110.
31. Using mesh analysis, determine the mesh currents for the
networks of Fig. 8.111.
SECTION 8.9 Nodal Analysis (General Approach)
32. Write the nodal equations for the networks of Fig. 8.113,
and, using determinants, solve for the nodal voltages. Is
symmetry present?
5 A
I 1
R 1
R3 2 �
(a)
R 4
2 �
5 �
I2 R2 4 �
3 A
I 1
FIG. 8.113
Problems 32 and 38.
R 2
4 �
I 2
2 A
R1 2 � 20 �
4 A
(b)
R3 5 �
PROBLEMS ⏐⏐⏐ 315
R 4