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58 True/False questions

  1. FuseP=IV, P=(I^2)(R), P=(V^2)/(R)

          

  2. Coulomb's Lawthe magnitude of the force between charge q(A) and charge q(B), seperated by a distance r, is proportional to the magnitude of the charges and inversely proportional to the square of the distance between them.

          

  3. Electric Potential Difference in a Uniform Field(V) the work done moving a positive test charge between two points in an electric field divided by the magnitude of the test charge

          

  4. Circuit breakerwhen the positive charge of the nucleus equals the negative charge of the surrounding electrons, then the atom is ___

          

  5. ChargingThe separation of electric charges

          

  6. Powerone joule per coulomb (J/C=V)

          

  7. Electric field lineE=F/q´

          

  8. Conventional currentthe flow of positive charges

          

  9. Ground-fault interrupterthe process of connecting a body to Earth to eliminate excess charge

          

  10. Equations with timethe study of electric charges that can be collected and held in one place

          

  11. Conductora material that allows charges to move about easily is called an electric ___

          

  12. Series circuitoccurs when a circuit with a very low resistance is formed - the low resistance causes the current to be very large, and when appliances are connected in parallel, each additional appliance placed in operation reduces the equivalent resistance in the circuit and increases the current through wires. The additional current might produce enough thermal energy to melt the wiring's insulations, cause a short circuit, or even begin a fire.

          

  13. R(eq) IN SERIESR=R1+R3.....

          

  14. Gravitational Forcethe flow of positive charges

          

  15. Voltage dividera series circuit used to produce a voltage source of disired magnitude from a higher-voltage battery

          

  16. Electrostaticsconsists of a metal knob connected by a metal stem to two thin, lightweight pieces of metal foil, called leaves

          

  17. Electric fielda closed loop pathway that allows for current to flow from a power source, through an electrical element, and back to the power sources - current can only flow within a closed loop circuit due ot the fact that it must return to the power source

          

  18. Parallel circuita closed, loop electrical ciruit with only 1 path for current to flow; the amount of current that flows within the circuit is equal in each element

          

  19. Coulomb´s LawF=K(q1+q2)/r^2

          

  20. Capacitance EquationC=q/(change in)V

          

  21. Voltage in SERIESV=V1=V2=V3...(EQUAL)

          

  22. Current (I)the amount of charge that moves through an electrical circuit per unit of time - measured 1 coulomb per second - 1C/s=A ampere

          

  23. GroundingThe separation of electric charges

          

  24. ResistorR=V/I

          

  25. Superconductoran electrical connection between electrical elements in which there is only one pathway for current to flow

          

  26. Voltage in PARALLELV=V1=V2=V3...(EQUAL)

          

  27. Parallel connectionan electrical connection between electrical elements in which there are two or more pathways for current to flow

          

  28. R(eq) IN PARALLEL1/R=1/R1+1/R2...

          

  29. Elementary chargeThe magnitude of the charge of an electron (1.60e-19)

          

  30. Series Connectionan electrical connection between electrical elements in which there are two or more pathways for current to flow

          

  31. Resistance (R)a measure of the degree to which an electrical element impedes the flow of current within a circuit as it utilizes the current flow in order to operate - measured in Ohms (Ω)

          

  32. Charging by inductioncharging a neutral body by touching it with a charged body

          

  33. Electric currenta flow of charged particles

          

  34. Charging by conductioncharging a neutral body by touching it with a charged body

          

  35. Potential Difference(V) the work done moving a positive test charge between two points in an electric field divided by the magnitude of the test charge

          

  36. Currentthe amount of charge that moves through an electrical circuit per unit of time - measured 1 coulomb per second - 1C/s=A ampere

          

  37. Current in Parallel1/R=1/R1+1/R2...

          

  38. Insulatora material that allows charges to move about easily is called an electric ___

          

  39. Unit for ResistanceR=V/I

          

  40. Electric Fielda pictoral way for explaining the nature of the electrostatic field. In particular, for showing the direction fo the field when you have like and unlike charges.

          

  41. Electric potential difference(V) the work done moving a positive test charge between two points in an electric field divided by the magnitude of the test charge

          

  42. Electric Field StrengthE= F(on)q´/q´

          

  43. Electric charge can not be created or destroyedTrue

          

  44. Short circuita closed, loop electrical ciruit with only 1 path for current to flow; the amount of current that flows within the circuit is equal in each element

          

  45. Equivilent resistancethe sum of all the individual resistances (R=Ra+Rb+Rc+...)

          

  46. Ammetera device used to measure the voltage drop across a poriton of a circuit - connected in parallel with resistor

          

  47. Electric Potential Differencea pictoral way for explaining the nature of the electrostatic field. In particular, for showing the direction fo the field when you have like and unlike charges.

          

  48. ResistanceR=V/I

          

  49. Combination series-parallel circuita circuit which includes series and parallel branches

          

  50. Coulomb (C)the SI standard unit of charge

          

  51. Electric ciruita flow of charged particles

          

  52. Voltone joule per coulomb (J/C=V)

          

  53. Capacitorthe ratio of charge to electric potential difference - measured in Farads (F) - charge is usually small

          

  54. Voltmetera device that is used ot measure the current in any branch or part of a circuit

          

  55. Electroscopeconsists of a metal knob connected by a metal stem to two thin, lightweight pieces of metal foil, called leaves

          

  56. Current in SERIESR=R1+R3.....

          

  57. Capacitancea device that is designed to store charge to be released at a later point in time

          

  58. NeutralP=IV, P=(I^2)(R), P=(V^2)/(R)