TUTORIAL 1DC CIRCUIT ANALYSIS
TUTORIAL 1 CH. 4 Problems 13, 29, 39 CH. 5 Problems 7, 13, 38, 42 CH. 6 Problems 10, 15, 18, 22
TUTORIAL 1 CH. 7 Problems 6, 7, 8,16, 20 CH. 8 Problems 6, 7, 10 CH. 9 Problems 3, 4, 9, 13(II), 14(II), 18, 20, 23(a)
CH. 4 Ans. R = 12.63 Ω Ans. W = 4.1 x 106 J Ans. I = 2.14 mA, P = 25.65 mW, W = 92.34 J Ans. W =59.80 kWh
CH. 5 • 7. For the series configuration in Fig. 5.91: • Find the total resistance. • Calculate the current. • Find the voltage across each resistive element. Ans. R = 40 Ω Ans. I = 3 A Ans. V1 = 30 V, V2 = 36 V, V3 = 54 V
CH. 5 • 13. For the circuit in Fig. 5.97: • Find the total resistance, current, and voltage across each element. • Find the power delivered to each resistor. • Find the power delivered by the source. • How does the power delivered by the source compare to that delivered to all the resistors. • Ans. • RT = 82 Ω, Is = 250 mA, VR1 = 5.50 V, VR2 = 2.50 V, VR3 = 11.75 V, VR4 = 0.75 V • PR1 = 1.38 W, PR2 = 625 mW, PR3 = 2.94 W, PR4 = 187.50 mW • PE = 5.13 W
Fig. 5.97
CH. 5 • For the network in Fig. 5.121 determine the voltages: • Va, Vb, Vc, Vd, Ve • Vab, Vdc, Vcb • Vac, Vdb Ans. Not provided
CH. 5 Ans. Not provided
CH. 6 • 10. For the parallel network in Fig. 6.81: • Find the total resistance. • What is the voltage across each branch? • Determine the source current and the current through each branch. • Verify that the source current equals the sum of the branch currents. Ans. a. RT = 6 Ω b. VR1 = VR2 = 36 V c. Is = 6 A, I1 = 4.5 A, I2 = 1.5 A d. –
Fig. 6.81
CH. 6 Ans. I’ = 12 A, I” = 8 A, V = 12 V
CH. 6 Ans. a. I = 4 mA b. V = 24 V c. Is = 18.4 mA
CH. 6 Ans. I1 = 5 A, I2 = 3.33 A, I3 = 1.67 A, I4 = 0.92 A Ans. Is = 10.92 A Ans. RT = 10.99 Ω Ans. Ps = 1.31 kW
CH. 7 Ans. RT = 0.8 kΩ Ans. Is = 60 mA Ans. V = 19.2 V
CH. 7 • 7. For the network in Fig. 7.67: • Find currents Is, I2 and I6. • Find voltages V1 and V5. • Find the power delivered to the 3 kΩ resistor. 7 Ans. Is = 16 mA, I2 = 2.33 mA, I6 =2 mA Ans. V1 = 28 V, V5 = 7.2 V Ans. P3 = 261.33 mW
CH. 7 Ans. a. Is = 16 A b. I3 = I9 = 4 A c. I8 = 1 A d. Vx = 14 V
CH. 7 Ans. I = 0.6 A Ans. V1 = 28 V
CH. 7 Ans. Vab= 14 V Ans. I = 9 A
CH. 8 Ans. I1 = 12 A, Is = 11 A Ans. Vs = 24 V, V3 = 6 V
CH. 8 Ans. I = 3 A, Rp = 6 Ω Ans. I = 4.09 mA, Rp = 2.2 kΩ
CH. 8 • Ans. • E = 13.6 V, R = 6.8 Ω • I1 = 458.78 mA (CW) • Vab = 17.89 V
CH. 9 Ans. I 24 V = 3.17 A, direction = ??
CH. 9 Ans. I1 = 4.45 mA, direction = ??
CH. 9 9. a. Find the Thevenin equivalent circuit for the network external to the resistor R for the network in Fig. 9.127. b. Find the power delivered to R when R is 2 Ω and 100 Ω. • Ans. • RTh = 7.5 Ω, ETh = 10 V • P2Ω = 2.22 W, • P100Ω = 0.87 W
CH. 9 13. Find the Thevenin equivalent circuit for the portions of the networks in Fig. 9.131 external to points a and b. Ans. RTh = 2.06 kΩ, ETh = 16.77 V
CH. 9 14. Find the Thevenin equivalent circuit for the network external to resistor R in both networks in Fig. 9.132. Ans. RTh = 4.03 kΩ, ETh = 12 V
CH. 9 18. Find the Norton equivalent circuit for the network external to resistor R for the network in Fig. 9.126. Ans. RN = 14 Ω, IN = 2.57 A
CH. 9 20. Find the Norton equivalent circuit for the network external to resistor R for the network in Fig. 9.129. Ans. RN = 1.58 kΩ, IN = 0.73 mA
CH. 9 23(a). Find the Norton equivalent circuit for the portions of the network in Fig. 9.136(a) external to branch a-b. Ans. RN = 3 Ω, IN = 5 A