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Electronics Worksheet: Voltage, Current and Resistance

Electronics lesson 11: Voltage, current and resistance · Set 729 · 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.

NameDateTime takenScore ___ / 40
  1. 1.Which of these is measured in volts (V)? (a) power (b) the flow of charge (c) the push of a cell (d) resistance
  2. 2.📏 Which unit measures resistance? (a) ampere (A) (b) volt (V) (c) watt (W) (d) ohm (Ω)
  3. 3.True or false: current is measured in amperes (A). (a) True (b) False
  4. 4.True or false: current is measured in ohms (Ω). (a) False (b) True
  5. 5.📏 How many ohms (Ω) is 2.7 kΩ?
  6. 6.📏 How many ohms (Ω) is 9.9 kΩ?
  7. 7.📏 How many kilowatts (kW) is 3550 W? =
  8. 8.📏 Voltmeter or ammeter: which one measures voltage? (a) voltmeter (b) ammeter
  9. 9.📏 Voltmeter or ammeter: which one measures current? (a) ammeter (b) voltmeter
  10. 10.📏 How many watts (W) is 2.8 kW?
  11. 11.📏 Which unit measures energy used each second? (a) volt (V) (b) watt (W) (c) ampere (A) (d) ohm (Ω)
  12. 12.True or false: the ammeter measures current. (a) True (b) False
  13. 13.📏 How many kilo-ohms (kΩ) is 4900 Ω? =
  14. 14.📏 How many amperes (A) is 730 mA? =
  15. 15.Which of these is measured in watts (W)? (a) power (b) the flow of charge (c) voltage (d) current
  16. 16.True or false: the push of a cell is measured in ohms (Ω). (a) True (b) False
  17. 17.📏 How many milliamperes (mA) make 1 ampere? (a) 10 (b) 60 (c) 1000 (d) 100
  18. 18.📏 How many kilo-ohms (kΩ) is 2500 Ω? =
  19. 19.📏 Which unit measures how much a part resists? (a) watt (W) (b) volt (V) (c) ohm (Ω) (d) ampere (A)
  20. 20.📏 Which unit measures current? (a) watt (W) (b) volt (V) (c) ohm (Ω) (d) ampere (A)
  21. 21.Which of these is measured in amperes (A)? (a) voltage (b) the flow of charge (c) the push of a cell (d) energy used each second
  22. 22.📏 Which unit measures the push of a cell? (a) watt (W) (b) ampere (A) (c) volt (V) (d) ohm (Ω)
  23. 23.📏 How many ohms (Ω) is 6 kΩ?
  24. 24.📏 How many kilowatts (kW) is 3150 W? =
  25. 25.📏 How many amperes (A) is 2470 mA? =
  26. 26.📏 How many amperes (A) is 770 mA? =
  27. 27.📏 How many ohms (Ω) is 10 kΩ?
  28. 28.📏 How many amperes (A) is 570 mA? =
  29. 29.📏 Which unit measures power? (a) ampere (A) (b) volt (V) (c) watt (W) (d) ohm (Ω)
  30. 30.📏 How many kilowatts (kW) is 2500 W? =
  31. 31.📏 How many ohms (Ω) is 6.6 kΩ?
  32. 32.📏 Voltmeter or ammeter: which one is joined in series? (a) voltmeter (b) ammeter
  33. 33.📏 How many ohms make 1 kilo-ohm (kΩ)? (a) 1000 (b) 1024 (c) 100 (d) 10
  34. 34.True or false: how much a part resists is measured in ohms (Ω). (a) False (b) True
  35. 35.📏 Which unit measures voltage? (a) watt (W) (b) ohm (Ω) (c) ampere (A) (d) volt (V)
  36. 36.True or false: current is measured in watts (W). (a) False (b) True
  37. 37.📏 Voltmeter or ammeter: which one is joined across a part? (a) ammeter (b) voltmeter
  38. 38.📏 How many kilo-ohms (kΩ) is 5400 Ω? =
  39. 39.Which of these is measured in volts (V)? (a) current (b) power (c) voltage (d) energy used each second
  40. 40.True or false: the ammeter measures voltage. (a) True (b) False

Answer key

  1. the push of a cell
  2. ohm (Ω)
  3. True
  4. False
  5. 2700
  6. 9900
  7. 3.55
  8. voltmeter
  9. ammeter
  10. 2800
  11. watt (W)
  12. True
  13. 4.9
  14. 0.73
  15. power
  16. False
  17. 1000
  18. 2.5
  19. ohm (Ω)
  20. ampere (A)
  21. the flow of charge
  22. volt (V)
  23. 6000
  24. 3.15
  25. 2.47
  26. 0.77
  27. 10000
  28. 0.57
  29. watt (W)
  30. 2.5
  31. 6600
  32. ammeter
  33. 1000
  34. True
  35. volt (V)
  36. False
  37. voltmeter
  38. 5.4
  39. voltage
  40. False

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