Page 68

CHAP. 4]

ANALYSIS METHODS

57

Fig. 4-33 4.18

Loop currents are shown in the network of Fig. 4-34. currents. Ans. 3.55 A, 1:98 A, 2:98 A

Write the matrix equation and solve for the three

Fig. 4-34

4.19

The network of Problem 4.18 has been redrawn in Fig. 4-35 for solution by the node voltage method. tain node voltages V1 and V2 and verify the currents obtained in Problem 4.18. Ans. 7.11 V, 3:96 V

Ob-

Fig. 4-35

4.20

In the network shown in Fig. 4-36 current I0 Âź 7:5 mA. voltage Vs . Ans. 0.705 V

Use mesh currents to ďŹ nd the required source

4.21

Use appropriate determinants of Problem 4.20 to obtain the input resistance as seen by the source voltage Ans: 23:5  Vs . Check the result by network reduction.

Mahmood_Nahvi_eBook_Schaum_s_Outlines_Theory_An  
Advertisement