Electronics Worksheet: Voltage, Current and Resistance

Electronics lesson 11: Voltage, current and resistance · Set 601 · 40 questions

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.

1. 1.📏 Voltmeter or ammeter: which one measures voltage? (a) ammeter (b) voltmeter
2. 2.True or false: the voltmeter measures current. (a) True (b) False
3. 3.📏 How many milliamperes (mA) is 0.36 A?
4. 4.📏 How many ohms (Ω) is 5.5 kΩ?
5. 5.📏 Voltmeter or ammeter: which one measures current? (a) voltmeter (b) ammeter
6. 6.True or false: the ammeter is joined in series. (a) False (b) True
7. 7.📏 In the water-pipe picture of a circuit, current is like … (a) a narrow pipe (b) the water pressure (c) the pipe colour (d) the flow of water
8. 8.True or false: the voltmeter is joined across a part. (a) False (b) True
9. 9.True or false: voltage is measured in amperes (A). (a) False (b) True
10. 10.📏 How many milliamperes (mA) is 2.77 A?
11. 11.📏 How many watts (W) is 1.2 kW?
12. 12.📏 How many ohms (Ω) is 3.8 kΩ?
13. 13.Which of these is measured in volts (V)? (a) power (b) current (c) the flow of charge (d) the push of a cell
14. 14.True or false: the push of a cell is measured in amperes (A). (a) False (b) True
15. 15.📏 Which unit measures the flow of charge? (a) ampere (A) (b) ohm (Ω) (c) watt (W) (d) volt (V)
16. 16.True or false: how much a part resists is measured in amperes (A). (a) True (b) False
17. 17.📏 Voltmeter or ammeter: which one is joined across a part? (a) voltmeter (b) ammeter
18. 18.📏 How many watts (W) is 2 kW?
19. 19.Which of these is measured in watts (W)? (a) how much a part resists (b) power (c) voltage (d) the flow of charge
20. 20.True or false: the flow of charge is measured in ohms (Ω). (a) False (b) True
21. 21.📏 Which unit measures energy used each second? (a) watt (W) (b) ohm (Ω) (c) ampere (A) (d) volt (V)
22. 22.📏 How many ohms make 1 kilo-ohm (kΩ)? (a) 1024 (b) 10 (c) 1000 (d) 100
23. 23.📏 How many milliamperes (mA) make 1 ampere? (a) 60 (b) 100 (c) 1000 (d) 10
24. 24.Which of these is measured in ohms (Ω)? (a) the flow of charge (b) voltage (c) how much a part resists (d) current
25. 25.📏 In the water-pipe picture of a circuit, voltage is like … (a) the water tank lid (b) the pipe colour (c) the water pressure (d) the tap handle
26. 26.Which of these is measured in ohms (Ω)? (a) power (b) current (c) voltage (d) resistance
27. 27.📏 How many ohms (Ω) is 3.1 kΩ?
28. 28.True or false: energy used each second is measured in volts (V). (a) False (b) True
29. 29.📏 Which unit measures the push of a cell? (a) ampere (A) (b) watt (W) (c) ohm (Ω) (d) volt (V)
30. 30.📏 How many amperes (A) is 670 mA? =
31. 31.📏 How many ohms (Ω) is 8 kΩ?
32. 32.📏 Voltmeter or ammeter: which one is joined in series? (a) voltmeter (b) ammeter
33. 33.Which of these is measured in amperes (A)? (a) resistance (b) the flow of charge (c) power (d) how much a part resists
34. 34.True or false: the voltmeter is joined in series. (a) False (b) True
35. 35.True or false: voltage is measured in volts (V). (a) True (b) False
36. 36.True or false: resistance is measured in volts (V). (a) True (b) False
37. 37.Which of these is measured in watts (W)? (a) the flow of charge (b) how much a part resists (c) energy used each second (d) current
38. 38.📏 How many amperes (A) is 1300 mA? =
39. 39.True or false: energy used each second is measured in watts (W). (a) True (b) False
40. 40.True or false: the ammeter measures voltage. (a) True (b) False

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