2. Electrostatics Math Electrostatics MC Electric Current & Circuits Magnetism Math Magnetism MC 10 20 30 40 50

3. Question 1 - 10 A positive charge of 5.6*10^-6C is acted upon by a force of 50N at a certain distance. What is the electric field at that same distance?

4. Answer 1 – 10 =(50)/(5.6*10^-6) =8.93*10^6

5. Question 1 - 20 How many electrons must be removed from an electrically neutral gold medal to give it a charge of 3.96*10^-6.

6. Answer 1 – 20 =(3.96*10^-6)/(1.6*10^-19) =2.475*10^13

7. Question 1 - 30 What is the net force on charge 2 if charge 1 is -2C, charge 2 is 5C and charge 3 is 3C? D= 4m, k=1

8. Answer 1 – 30

9. Question 1 - 40 Three positive charges of q1=3.5*10^-6, q2=8.0*10^-6 and q3=2.3*10^-6, respectively, are arranged in a triangle, as shown in figure. Find the magnitude of the electric force on the q2 charge.

10. Answer 1 – 40

11. Question 1 - 50 A charge q1=+10.0uc is at the origin, and a charge q2=-18.0uc is on the x-axis.65m from the origin, Find the electric field strength at Point P, which is on the y-axis.255m from the origin. Angle is 62.

12. Answer 1 – 50

13. Question 2 - 10 When there is an equal amount of positive and negative charges on an object, the object is………………..

14. Answer 2 – 10 Neutral

15. Question 2 - 20 Electric field lines indicate…………… ……..

16. Answer 2 – 20 Direction and speed

17. Question 2 - 30 The leyden jar shown had negative charge on the inside cup and the outside cup(the one in middle)………….

18. Answer 2 – 30 Positive

19. Question 2 - 40 When the charge is doubled on one particle, the attractive force between two particles is……

20. Answer 2 – 40 Doubled

21. Question 2 - 50 A metal can is brought near a negative charged PVC pipe. The can is _____________ to the pipe because the can is ____________

22. Answer 2 – 50 Attracted and polarized

23. Question 3 - 10 In solid conductors, electric current is the flow of………….

24. Answer 3 – 10 Electrons

25. Question 3 - 20 The relationship between current and potential in Ohm’s Law is…………

26. Answer 3 – 20 Directly proportional

27. Question 3 - 30 How much current will flow through.1 Ohm resistor?

28. Answer 3 – 30 VOLTAGECURRENTRESISTANCE 4.65546.55.1 10.34525.8625.4 10.34520.69.5 1546.5529/90

29. Question 3 - 40 A circuit has only one resistor, a 50 ohm one. If a second 50 ohm resistor is added in parallel, the overall resistance will be…

30. Answer 3 – 40 25 ohms

31. Question 3 - 50 What is the current for resistor 2?(2 decimals) R1=13 R2=24 R3=20 R4=6

32. Answer 3 – 50 VOLTAGECURRENTRESISTANCE 23.12930/52313 6.88.2924 6.88.34420 6.881.156 30930/523523/31

33. Question 4 - 10 A wire carries a current of 20amps at an angle of 90 degrees to a magnetic field “B”. If the wire is 10m long and the magnetic force is 50N, what is the strength of the magnetic field?

34. Answer 4 – 10

35. Question 4 - 20 A wire has a magnetic field of strength of 50T. If the wire is 16.5 meters long and the magnetic for is 100N. What is the current?

36. Answer 4 – 20

37. Question 4 - 30 Dr.V is on his Jetpack and is flying due east at 120m/s passing over Atlanta where the magnetic field of the earth is 3.3*10^-5 Tesla. Dr.V has a positive charge of 16*10^8C. What is the magnitude of magnetic force in Newton's on Dr.V?

38. Answer 4 – 30

39. Question 4 - 40 Dr.V found an unknown compound which has a force of 5*10^-9N and a charge of 2nC and a has horizontal velocity of 5000m/s. He needs your help to help find him the magnetic field force of the unknown compound.

40. Answer 4 – 40

41. Question 4 - 50 A square coil of wire in a motor coil containing a single turn is placed in a uniform 10.8T magnetic field. Each side has a length of 10m and the current of the coil is 15amps. Determine the magnitude of the magnetic force on the top side of the wire.

42. Answer 4 – 50

43. Question 5 - 10 Is this a positive or a negative current?

44. Answer 5 – 10 Positive

45. Question 5 - 20 Where is the magnetic field strength the closet?

46. Answer 5 – 20 Close to a magnet pole

47. Question 5 - 30 What is the name of the device that converts electric energy into mechanical energy?

48. Answer 5 – 30 Electric motor

49. Question 5 - 40 What direction is the force using FBI

50. Answer 5 – 40 Up

51. Question 5 - 50 What direction is the force using FBI

52. Answer 5 – 50 In page and diagonal