1. Phys 222 SI Exam Review
With Rosalie

2. Electric Field and Forces

3. Question
The figure shows three electric charges labeled Q1, Q2, and Q3 and electric field lines in the region surrounding the charges. What are the signs of the three charges?

4. Answer
The figure shows three electric charges labeled Q1, Q2, and Q3 and electric field lines in the region surrounding the charges. What are the signs of the three charges?
Q1 is positive, Q2 is negative, and Q3 is positive
Electric field lines start at positive
charges and end at negative charges

5. Question

6. Answer

7. Question

8. Answer

9. Question

10. Answer

11. Problem

12. Answer

13. Gauss Law

14. Question

15. Answer

16. Question

17. Answer

18. Question

19. Answer

20. Question

21. Answer

22. Question

23. Answer

24. Electric Potential and Electric Potential Energy

25. Question

26. Answer

27. Question

28. Answer

29. Question

30. Answer
This question is basically asking how difficult is would be to get the charges aligned. C and D are the easiest because the outer charges are attracted to the middle charge. A is the most difficult because all three charges repel each other. B is somewhere in the middle because one charge is repelled and one is attracted.

31. Question

32. Answer

33. Capacitance

34. Question

35. Answer

36. Question

37. Answer

38. Question

39. Answer

40. Question

41. Answer

42. Question

43. Answer

44. Circuits and Power

45. Question

46. Answer

47. Question

48. Answer

49. Question

50. Answer

51. Question

52. Answer

53. Question

54. Answer