1. Figure The circuit symbols for (a) an ideal independent voltage source and (b) an ideal independent current source.

2. Figure The circuit symbols for (a) an ideal dependent voltage-controlled voltage source, (b) an ideal dependent current-controlled voltage source, (c) an ideal dependent voltage-controlled current source, and (d) an ideal dependent current-controlled current source.

3. Figure 2.3 The circuits for Example 2.1.

4. Figure 2.4 The circuits for Example 2.2.

5. Figure 2.5 The circuit symbol for a resistor having a resistance R.

6. Figure Two possible reference choices for the current and voltage at the terminals of a resistor, and the resulting equations.

7. Figure 2.7 The circuit symbol for an 8 Ω resistor.

8. Figure 2.8 The circuits for Example 2.3.

9. Figure 2.9 A flashlight can be viewed as an electrical system.

10. Figure 2. 10 Circuit symbols. (a) Short circuit. (b) Open circuit
Figure Circuit symbols. (a) Short circuit. (b) Open circuit. (c) Switch.

11. Figure 2.11 The arrangement of flashlight components.

12. Figure 2.12 A circuit model for a flashlight.

13. Figure 2.13 The (a) device and (b) data for Example 2.5.

14. Figure 2. 14 (a) The values of υt versus it for the device in Fig. 2
Figure (a) The values of υt versus it for the device in Fig (b) The circuit model for the device in Fig

15. Figure 2.15 Circuit model of the flashlight with assigned voltage and current variables.

16. Figure 2.16 The circuit for Example 2.6.

17. Figure 2.17 The circuit for Example 2.7.

18. Figure 2.18 The circuit for Example 2.8.

19. Figure 2. 19 The circuit shown in Fig. 2
Figure The circuit shown in Fig. 2.18, with the unknowns i1, υo, and υ1 defined.

20. Figure 2.20 (a) Device and (b) data for Example 2.9.

21. Figure 2. 21 (a) The graph of υt versus it for the device in Fig. 2
Figure 2.21 (a) The graph of υt versus it for the device in Fig. 2.20(a). (b) The resulting circuit model for the device in Fig. 2.20(a), connected to a 10 Ω resistor.

22. Figure 2.22 A circuit with a dependent source.

23. Figure 2.23 The circuit for Example 2.10.

24. Figure 2.24 The circuit for Example 2.11.

26. Figure (a) A human body with a voltage difference between one arm and one leg. (b) A simplified model of the human body with a voltage difference between one arm and one leg.

27. Figure P2.1 Is this Configuration Valid?
Answer: Yes, it is.

28. Figure P2.2 Is this Configuration Valid?
Answer: No, it isn’t. Because of the parallel connected voltage sources.

29. Figure P2. 3 Calculate the power of each source
Figure P Calculate the power of each source. Is the total dissipated power = total generated power?

30. Figure P2. 4 Find the voltage across the 5A current source
Figure P2.4 Find the voltage across the 5A current source. What is current passing through 100V source?

31. Figure P2.10

32. Figure P2.11 Calculate the power values using the Power Convention.

33. Figure P2.14 Calculate the power values using the Power Convention.

34. Figure P Calculate the unknown circuit variables, using Node Voltage and Mesh Current methods. Compare your results with your friends’.

35. Figure P2.21 Find the unknowns using Mesh Current and Node Voltage methods.

36. Figure P2. 22 The voltage of 16 Ω resistor is given as 80 V
Figure P The voltage of 16 Ω resistor is given as 80 V. Find all the currents through each resistor.

37. Figure P2.23

38. Figure P2. 25 Find i1 and i2 using the Superposition principle
Figure P Find i1 and i2 using the Superposition principle. Apply the sources individually and sum their effects.

39. Figure P2.27 Calculate vΔ, i1 and i2.

40. Figure P2.30 Find the unknown variables.