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Electronics Worksheet: Voltage, Current and Resistance

Electronics lesson 11: Voltage, current and resistance · Set 933 · 40 questions
TalentJR

Remember (Push, flow, resist): Voltage → volts (V), current → amperes (A), resistance → ohms (Ω), power → watts (W). milli (m) = ÷ 1000 and kilo (k) = × 1000: 250 mA = 0.25 A, 2.2 kΩ = 2200 Ω. Voltmeter across a part; ammeter in series.

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  1. 1.📏 Voltmeter or ammeter: which one is joined in series? (a) ammeter (b) voltmeter
  2. 2.Which of these is measured in volts (V)? (a) how much a part resists (b) the push of a cell (c) power (d) the flow of charge
  3. 3.📏 Which unit measures current? (a) watt (W) (b) volt (V) (c) ampere (A) (d) ohm (Ω)
  4. 4.📏 How many ohms (Ω) is 4.1 kΩ?
  5. 5.📏 How many kilo-ohms (kΩ) is 8000 Ω? =
  6. 6.True or false: the push of a cell is measured in volts (V). (a) True (b) False
  7. 7.📏 How many ohms (Ω) is 5.3 kΩ?
  8. 8.📏 How many kilowatts (kW) is 3650 W? =
  9. 9.True or false: power is measured in watts (W). (a) True (b) False
  10. 10.Which of these is measured in watts (W)? (a) the push of a cell (b) power (c) voltage (d) current
  11. 11.📏 Voltmeter or ammeter: which one measures voltage? (a) ammeter (b) voltmeter
  12. 12.📏 Which unit measures the flow of charge? (a) volt (V) (b) watt (W) (c) ampere (A) (d) ohm (Ω)
  13. 13.📏 Voltmeter or ammeter: which one is joined across a part? (a) ammeter (b) voltmeter
  14. 14.Which of these is measured in ohms (Ω)? (a) resistance (b) current (c) the flow of charge (d) power
  15. 15.📏 How many ohms (Ω) is 2.5 kΩ?
  16. 16.True or false: the ammeter is joined in series. (a) False (b) True
  17. 17.📏 How many kilo-ohms (kΩ) is 6200 Ω? =
  18. 18.True or false: voltage is measured in amperes (A). (a) False (b) True
  19. 19.📏 Voltmeter or ammeter: which one measures current? (a) voltmeter (b) ammeter
  20. 20.📏 How many kilo-ohms (kΩ) is 4200 Ω? =
  21. 21.📏 In the water-pipe picture of a circuit, current is like … (a) the pipe colour (b) a narrow pipe (c) the water pressure (d) the flow of water
  22. 22.📏 Which unit measures power? (a) ampere (A) (b) volt (V) (c) ohm (Ω) (d) watt (W)
  23. 23.📏 How many amperes (A) is 650 mA? =
  24. 24.📏 How many milliamperes (mA) is 2.81 A?
  25. 25.📏 How many kilowatts (kW) is 1600 W? =
  26. 26.📏 How many watts (W) is 1.2 kW?
  27. 27.True or false: the voltmeter measures current. (a) False (b) True
  28. 28.True or false: the flow of charge is measured in ohms (Ω). (a) False (b) True
  29. 29.📏 How many milliamperes (mA) is 0.24 A?
  30. 30.True or false: voltage is measured in watts (W). (a) True (b) False
  31. 31.📏 How many amperes (A) is 2920 mA? =
  32. 32.Which of these is measured in volts (V)? (a) how much a part resists (b) energy used each second (c) the flow of charge (d) voltage
  33. 33.📏 How many milliamperes (mA) is 1.51 A?
  34. 34.📏 How many amperes (A) is 2540 mA? =
  35. 35.True or false: the voltmeter is joined in series. (a) False (b) True
  36. 36.📏 Which unit measures voltage? (a) ampere (A) (b) volt (V) (c) ohm (Ω) (d) watt (W)
  37. 37.📏 How many watts (W) is 2.3 kW?
  38. 38.True or false: the voltmeter measures voltage. (a) True (b) False
  39. 39.📏 How many kilowatts (kW) is 4900 W? =
  40. 40.📏 How many ohms make 1 kilo-ohm (kΩ)? (a) 1024 (b) 100 (c) 1000 (d) 10

Answer key

  1. ammeter
  2. the push of a cell
  3. ampere (A)
  4. 4100
  5. 8
  6. True
  7. 5300
  8. 3.65
  9. True
  10. power
  11. voltmeter
  12. ampere (A)
  13. voltmeter
  14. resistance
  15. 2500
  16. True
  17. 6.2
  18. False
  19. ammeter
  20. 4.2
  21. the flow of water
  22. watt (W)
  23. 0.65
  24. 2810
  25. 1.6
  26. 1200
  27. False
  28. False
  29. 240
  30. False
  31. 2.92
  32. voltage
  33. 1510
  34. 2.54
  35. False
  36. volt (V)
  37. 2300
  38. True
  39. 4.9
  40. 1000

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