Download Guided Outline ch 20

Guided Outline Ch 20 & 21
Guided Outline Ch 20 & 21
Write in complete sentences!
Write in complete sentences!
1. Define electric charge.
1. Define electric charge.
2. Like charges_____, opposite charges_______.
2. Like charges_____, opposite charges_______.
3. Define electric force.
3. Define electric force.
4. Define electric field.
4. Define electric field.
5. What does the strength of an electric field depend on?
5. What does the strength of an electric field depend on?
6. Name the three ways charge can be transferred?
6. Name the three ways charge can be transferred?
7. State the law of conservation of charge.
7. State the law of conservation of charge.
8. Define induction.
8. Define induction.
9. When does static discharge occur?
9. When does static discharge occur?
10. Define electric current.
10. Define electric current.
11. What are the units for current?
11. What are the units for current?
12. Compare the two types of current.
12. Compare the two types of current.
13. What is the difference between an insulator and a conductor?
13. What is the difference between an insulator and a conductor?
14. Define resistance.
14. Define resistance.
15. What are the units of resistance?
15. What are the units of resistance?
16. What are the three things that affect the resistance of a material?
16. What are the three things that affect the resistance of a material?
17. Define superconductor.
17. Define superconductor.
18. Define voltage.
18. Define voltage.
19. Another name for voltage is….?
19. Another name for voltage is….?
20. Define battery.
20. Define battery.
21. Give the equation for Ohm’s law.
21. Give the equation for Ohm’s law.
22. If you increase the voltage what happens to the current?
22. If you increase the voltage what happens to the current?
23. What is the difference between an open and closed circuit?
23. What is the difference between an open and closed circuit?
24. In a series circuit if one element stops functioning, what happens?
24. In a series circuit if one element stops functioning, what
25. In a parallel circuit if one element stops functioning, what happens?
happens?
26. Explain why a wire becomes warm when charges flow through it?
25. In a parallel circuit if one element stops functioning, what
27. Define electric power.
happens?
28. Give the equation for electric power.
26. Explain why a wire becomes warm when charges flow through
29. List the units for electric power.
it?
30. A clothes dryer uses 27 amps of current from a 240-volt line. How
27. Define electric power.
much power does it use?
28. Give the equation for electric power.
31. How can you find electrical energy?
29. List the units for electric power.
32. What does “blowing a fuse” mean?
30. A clothes dryer uses 27 amps of current from a 240-volt line.
33. What is a circuit breaker?
How much power does it use?
34. What does grounding mean?
31. How can you find electrical energy?
35. Compare analog and digital signals?
32. What does “blowing a fuse” mean?
36. Define magnetic force.
33. What is a circuit breaker?
37. Where is the force of the magnet the strongest?
34. What does grounding mean?
38. Like poles_____, opposite poles______.
35. Compare analog and digital signals?
39. Cope figure 2, page 631
36. Define magnetic force.
40. Define magnetic field.
37. Where is the force of the magnet the strongest?
41. Why does a compass point north?
38. Like poles_____, opposite poles______.
42. Define magnetic domain.
39. Cope figure 2, page 631
43. What is the difference between a nonmagnetized and magnetized
40. Define magnetic field.
material?
41. Why does a compass point north?
44. What is a permanent magnet?
42. Define magnetic domain.
45. What happens if you drop or heat a magnet?
43. What is the difference between a nonmagnetized and
46. If you cut a magnet what happens?
magnetized material?
47. Moving electric charges create a __________.
44. What is a permanent magnet?
48. Define electromagnetic force.
45. What happens if you drop or heat a magnet?
49. Changing the __________ in an electromagnet controls the ______ &
46. If you cut a magnet what happens?
________ of its magnetic field.
47. Moving electric charges create a __________.
50. List the three ways to increase the magnetic field strength.
48. Define electromagnetic force.
51. What is an electromagnetic device?
49. Changing the __________ in an electromagnet controls the
52. What makes a motor turn?
______ & ________ of its magnetic field.
53. How does a loudspeaker work?
50. List the three ways to increase the magnetic field strength.
54. Define electromagnetic induction.
51. What is an electromagnetic device?
55. How is voltage induced?
52. What makes a motor turn?
56. What is the difference between a generator and a motor?
53. How does a loudspeaker work?
57. What does a step-up transformer do?
54. Define electromagnetic induction.
58. What does a step-down transformer do?
55. How is voltage induced?
59. What can push the blades of a turbine?
56. What is the difference between a generator and a motor?
60. Most household circuits in the U.S. have an average of how many
57. What does a step-up transformer do?
58. What does a step-down transformer do?
volts?
59. What can push the blades of a turbine?
60. Most household circuits in the U.S. have an average of how
many volts?