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Electricity**

(See also Mains Electricity)

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Electricity - Current - Voltage - Power | ||

1 | What is Electricity? | Answer |

2 | What is the Difference between a Cell and a Battery? | Answer |

3 | What is the Circuit Symbol for a Cell? | Answer |

4 | What is the Circuit Symbol for a Battery? | Answer |

5 | Which side of a Cell is Positive? | Answer |

6 | Which way does Electricity Flow in Conventional Current? | Answer |

7 | Why not use Electron Flow for Circuit Diagrams? | Answer |

8 | What is a Coulomb a unit of? | Answer |

9 | What is Direct Current? | Answer |

10 | What is the Circuit Symbol for Direct Current? | Answer |

11 | What unit is Current measured in? | Answer |

12 | What type of meter measures Current? | Answer |

13 | Is the meter which measures Current connected in Series or Parallel? | Answer |

14 | Which Equation connects Charge, Current and Time? | Answer |

15 | What does one Volt equal? | Answer |

16 | Which Equation connects Energy, Voltage and Charge? | Answer |

17 | What is the difference between Voltage, Potential Difference and p.d.? | Answer |

18 | What type of meter measures Voltage? | Answer |

19 | Is the meter which measures Voltage connected in Series or Parallel? | Answer |

20 | What is the Circuit Symbol for an Ammeter? | Answer |

21 | What is the Circuit Symbol for a Voltmeter? | Answer |

22 | What is a Watt a unit of? | Answer |

23 | What does one Watt equal? | Answer |

24 | Which Equation connects Power, Energy and Time? | Answer |

25 | Which Equation connects Power, Voltage and Current? | Answer |

26 | What is the Circuit Symbol for a Lamp? | Answer |

27 | Draw the Circuit you would use to calculate the Power of a Lamp. | Answer |

Electricity - Resistance | ||

28 | What unit is Resistance measured in? | Answer |

29 | What is Resistance a measure of? | Answer |

30 | Which Equation connects Resistance, Current and Voltage? | Answer |

31 | Draw the Graph of Current against Voltage for a Resistor. | Answer |

32 | Draw the Graph of Current against Voltage for a Light Bulb. | Answer |

33 | Draw the Graph of Current against Voltage for a Thermistor. | Answer |

34 | What does a Resistor do? | Answer |

35 | What is the Circuit Symbol for a Resistor? | Answer |

36 | What is the Circuit Symbol for a Variable Resistor? | Answer |

37 | Draw the Circuit you would use to calculate the Resistance of a Resistor. | Answer |

38 | What is a Component? | Answer |

39 | Draw a Test Circuit for a Component. | Answer |

40 | How does the Resistance of a Wire depend on its Material? | Answer |

41 | How does the Resistance of a Wire depend on its Length? | Answer |

42 | How does the Resistance of a Wire depend on its Thickness? | Answer |

43 | How does the Resistance of a Wire depend on its Temperature? | Answer |

Electricity - Series Circuits | ||

44 | Draw a Circuit with three Resistors connected in Series. | Answer |

45 | How does Current change for Components in a Series Circuit? | Answer |

46 | How does Voltage change for Components in a Series Circuit? | Answer |

47 | How do you calculate the Total Resistance for Components in a Series Circuit? | Answer |

48 | How do you calculate the Voltage for Components in a Series Circuit? | Answer |

49 | When More Lamps are connected in Series, do they get Dimmer or Brighter? | Answer |

50 | If one Lamp Breaks in a Series Circuit, will the others stay On or go Out? | Answer |

Electricity - Parallel Circuits | ||

51 | Draw a Circuit with three Resistors connected in Parallel. | Answer |

52 | How does Current change for Components in a Parallel Circuit? | Answer |

53 | How do you calculate the Current in each Branch of a Parallel Circuit? | Answer |

54 | How do you calculate the Total Current for Components in a Parallel Circuit? | Answer |

55 | How does Voltage change for Components in a Parallel Circuit? | Answer |

56 | How do you calculate the Total Resistance for Components in a Parallel Circuit? | Answer |

57 | Draw a Circuit with three Lamps connected in Parallel. | Answer |

58 | How can you Switch each Lamp On or Off without affecting the other Lamps? | Answer |

59 | What is the Circuit Symbol for an Open Switch? | Answer |

60 | What is the Circuit Symbol for a Closed Switch? | Answer |

Electricity - Diode - LDR - Thermistor | ||

61 | What does a Diode do? | Answer |

62 | Draw the Circuit Symbol for a Diode. | Answer |

63 | Draw the Graph of Current against Voltage for a Diode. | Answer |

64 | What does LDR stand for? | Answer |

65 | What is the Circuit Symbol for a LDR? | Answer |

66 | How does Resistance change with Light Intensity for a LDR? | Answer |

67 | Give one Use for a LDR. | Answer |

68 | What is a Thermistor? | Answer |

69 | What is the Circuit Symbol for a Thermistor? | Answer |

70 | How does Resistance change with Temperature for a Thermistor? | Answer |

71 | Give one Use for a Thermistor. | Answer |

Links Electricity Mains Calculations

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