Electronics Worksheet: Voltage, Current and Resistance

Electronics lesson 11: Voltage, current and resistance · Set 82 · 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.Which of these is measured in ohms (Ω)? (a) power (b) resistance (c) the push of a cell (d) current
2. 2.True or false: current is measured in volts (V). (a) True (b) False
3. 3.📏 How many kilo-ohms (kΩ) is 700 Ω? =
4. 4.True or false: the voltmeter measures current. (a) False (b) True
5. 5.True or false: power is measured in watts (W). (a) False (b) True
6. 6.📏 Voltmeter or ammeter: which one measures current? (a) ammeter (b) voltmeter
7. 7.Which of these is measured in watts (W)? (a) the push of a cell (b) voltage (c) current (d) power
8. 8.📏 How many ohms (Ω) is 2.3 kΩ?
9. 9.📏 How many milliamperes (mA) is 1.83 A?
10. 10.📏 In the water-pipe picture of a circuit, voltage is like … (a) the tap handle (b) the water tank lid (c) the water pressure (d) the pipe colour
11. 11.Which of these is measured in volts (V)? (a) power (b) how much a part resists (c) voltage (d) the flow of charge
12. 12.📏 How many kilo-ohms (kΩ) is 3600 Ω? =
13. 13.📏 Voltmeter or ammeter: which one measures voltage? (a) ammeter (b) voltmeter
14. 14.Which of these is measured in ohms (Ω)? (a) how much a part resists (b) power (c) energy used each second (d) the flow of charge
15. 15.📏 How many amperes (A) is 2300 mA? =
16. 16.📏 How many kilowatts (kW) is 4900 W? =
17. 17.📏 Which unit measures voltage? (a) watt (W) (b) ampere (A) (c) ohm (Ω) (d) volt (V)
18. 18.True or false: the flow of charge is measured in ohms (Ω). (a) True (b) False
19. 19.📏 How many watts (W) is 4 kW?
20. 20.📏 How many watts (W) is 0.7 kW?
21. 21.📏 How many kilo-ohms (kΩ) is 5600 Ω? =
22. 22.True or false: the voltmeter measures voltage. (a) False (b) True
23. 23.True or false: the ammeter measures voltage. (a) True (b) False
24. 24.True or false: the ammeter is joined across a part. (a) True (b) False
25. 25.Which of these is measured in volts (V)? (a) how much a part resists (b) the flow of charge (c) the push of a cell (d) resistance
26. 26.True or false: the ammeter is joined in series. (a) True (b) False
27. 27.📏 How many kilo-ohms (kΩ) is 3500 Ω? =
28. 28.📏 How many milliamperes (mA) make 1 ampere? (a) 60 (b) 100 (c) 1000 (d) 10
29. 29.📏 How many kilo-ohms (kΩ) is 2400 Ω? =
30. 30.📏 Voltmeter or ammeter: which one is joined across a part? (a) voltmeter (b) ammeter
31. 31.📏 Which unit measures energy used each second? (a) volt (V) (b) watt (W) (c) ohm (Ω) (d) ampere (A)
32. 32.True or false: power is measured in volts (V). (a) True (b) False
33. 33.📏 Which unit measures current? (a) volt (V) (b) ampere (A) (c) watt (W) (d) ohm (Ω)
34. 34.Which of these is measured in amperes (A)? (a) energy used each second (b) current (c) power (d) resistance
35. 35.📏 Voltmeter or ammeter: which one is joined in series? (a) voltmeter (b) ammeter
36. 36.📏 How many milliamperes (mA) is 0.25 A?
37. 37.📏 How many ohms (Ω) is 3.1 kΩ?
38. 38.📏 How many amperes (A) is 520 mA? =
39. 39.True or false: how much a part resists is measured in ohms (Ω). (a) False (b) True
40. 40.📏 Which unit measures the flow of charge? (a) volt (V) (b) ampere (A) (c) ohm (Ω) (d) watt (W)

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