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### Question limit

of 48 available terms

### 47 Matching questions

1. Field Force
2. neutral
3. attractive or repulsive
4. positive charge to negative charge
5. Direction of field
6. the outside of the material
7. Principle of Superposition
8. Grounded
9. resultant force
10. positive and negative
11. contact
12. Ions
13. zero
14. Electric field
15. Semiconductors
16. test charge (+)
17. Electrical Insulators
18. Polarization
19. gravitational force
20. stronger charge
21. electrons
22. irregularly shaped objects
23. e
24. outward
25. attract
26. Charging by Contact
27. Electrical Conductors
28. repel
29. inward
30. (k = 8.9875 x 109 Nm2/C2)
31. shifting of charge
32. material's surface
33. Coulomb (C)
34. vector (direction)
35. Coulomb's Law
36. conductors
37. Electric Dipole
38. conductor - electrostatic equilibrium
39. Superconductors
40. transferred
41. qo
42. q
43. dry
44. greater
45. quantized
46. N/C
47. Charging by Induction
1. a materials that do not allow charge to flow through them (glass, plastic, rubber, silk)
2. b materials that allow charges to flow easily from them (most metals)
3. c E is a
4. d Lines closer together =
5. e Only ____ can become charged by induction
6. f The _____ within an insulator can make its surface act like a charged object
7. g is called Coulomb's Constant
8. h is the small, positive test charge
9. i area around a charge where the charge can be "felt" by another object
10. j 1 proton balances 1 electron and the net charge is zero
11. k When the Field is negatively charged, the direction is
12. l Electric field is____ inside the conductor
13. m Charges accumulate at points for
14. n A neutral conductor is brought near another charged object, then the conductor is grounded - no touching necessary
15. o Electric force is much stronger than
16. p Like charges
17. q is used to detect the presence of an electric field
18. r Charges cannot be created or destroyed, they can only be
19. s is the charge of one electron (-1.60 x 10-19 Coulombs)
20. t variable for charge
21. u Electric field is perpendicular to the
22. v force between two objects that are not in contact with each other
23. w two equal in strength, but opposite charges - field lines are identical and turn away from each other
24. x Electric Field units are
25. y Millikan discovered that a charged object's charge is always a multiple of a fundamental charge, e - called...
26. z F = (kq1q2)/r2
27. aa One noticed static charges more on _____ days because there is not moisture in the air to "connect" the charges
28. ab Both insulators and conductors can be charged by
29. ac shifting of charge within an atom
30. ad When the Field is positively charged, the direction is
31. ae Opposite charges
32. af rubbing two materials together - one object rubs the electrons off the other, making it positively charged
33. ag Two types of charges:
34. ah Lines drawn from
35. ai No net motion of the charges in a
36. aj Charges reside only on
37. ak Like any other force, the vector sum of all charge forces acting on an object is called the
38. al The closer two charges are, the____ the force of attraction or repulsion between them
39. am conductor connected to the Earth by a conducting wire or copper pipe
40. an SI unit for charge is the
41. ao Electric forces can be either
42. ap move between material rather than protons
43. aq normally insulators, but adding specific atoms as impurities can turn them into conductors (silicon, germanium - used a lot in electronics)
44. ar is the direction of the force on the positive test charge
45. as zero electrical resistance when below a certain temperature - can conduct electricity without heating up
46. at If charges are not linear, you must find the x- and y- components and then add the x-components and y-components and use the Pythagorean Theorem to find the resultant force - Called the
47. au atoms that have gain or lost electrons and therefore have a charge