Electronics Worksheet: Voltage, Current and Resistance

Electronics lesson 11: Voltage, current and resistance · Set 262 · 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 is joined across a part? (a) voltmeter (b) ammeter
2. 2.📏 How many milliamperes (mA) is 1.09 A?
3. 3.📏 Which unit measures how much a part resists? (a) volt (V) (b) watt (W) (c) ohm (Ω) (d) ampere (A)
4. 4.📏 Voltmeter or ammeter: which one measures current? (a) ammeter (b) voltmeter
5. 5.📏 Which unit measures voltage? (a) watt (W) (b) ampere (A) (c) ohm (Ω) (d) volt (V)
6. 6.True or false: voltage is measured in amperes (A). (a) True (b) False
7. 7.📏 Voltmeter or ammeter: which one is joined in series? (a) voltmeter (b) ammeter
8. 8.📏 Which unit measures the push of a cell? (a) ampere (A) (b) watt (W) (c) ohm (Ω) (d) volt (V)
9. 9.📏 Which unit measures power? (a) ampere (A) (b) ohm (Ω) (c) watt (W) (d) volt (V)
10. 10.True or false: the ammeter is joined in series. (a) False (b) True
11. 11.📏 Voltmeter or ammeter: which one measures voltage? (a) voltmeter (b) ammeter
12. 12.Which of these is measured in amperes (A)? (a) the push of a cell (b) resistance (c) the flow of charge (d) power
13. 13.True or false: current is measured in volts (V). (a) True (b) False
14. 14.📏 How many amperes (A) is 1560 mA? =
15. 15.True or false: the voltmeter measures current. (a) True (b) False
16. 16.📏 Which unit measures the flow of charge? (a) ampere (A) (b) volt (V) (c) watt (W) (d) ohm (Ω)
17. 17.📏 How many amperes (A) is 30 mA? =
18. 18.Which of these is measured in watts (W)? (a) resistance (b) power (c) voltage (d) the flow of charge
19. 19.📏 How many kilowatts (kW) is 650 W? =
20. 20.📏 How many amperes (A) is 1340 mA? =
21. 21.📏 Which unit measures current? (a) ohm (Ω) (b) watt (W) (c) ampere (A) (d) volt (V)
22. 22.📏 How many kilo-ohms (kΩ) is 1800 Ω? =
23. 23.📏 How many ohms (Ω) is 2.9 kΩ?
24. 24.Which of these is measured in volts (V)? (a) the flow of charge (b) power (c) current (d) voltage
25. 25.📏 How many ohms (Ω) is 0.6 kΩ?
26. 26.📏 How many kilowatts (kW) is 1850 W? =
27. 27.True or false: current is measured in amperes (A). (a) True (b) False
28. 28.Which of these is measured in amperes (A)? (a) voltage (b) energy used each second (c) resistance (d) current
29. 29.True or false: how much a part resists is measured in watts (W). (a) True (b) False
30. 30.📏 In the water-pipe picture of a circuit, resistance is like … (a) a narrow pipe (b) the flow of water (c) a bigger tank (d) the water pressure
31. 31.Which of these is measured in volts (V)? (a) power (b) how much a part resists (c) current (d) the push of a cell
32. 32.📏 In the water-pipe picture of a circuit, current is like … (a) the pipe colour (b) the water pressure (c) the flow of water (d) a narrow pipe
33. 33.Which of these is measured in watts (W)? (a) the flow of charge (b) energy used each second (c) current (d) how much a part resists
34. 34.True or false: the ammeter measures voltage. (a) True (b) False
35. 35.📏 In the water-pipe picture of a circuit, voltage is like … (a) the water tank lid (b) the tap handle (c) the water pressure (d) the pipe colour
36. 36.📏 How many ohms make 1 kilo-ohm (kΩ)? (a) 10 (b) 1000 (c) 1024 (d) 100
37. 37.Which of these is measured in ohms (Ω)? (a) power (b) the push of a cell (c) the flow of charge (d) how much a part resists
38. 38.True or false: how much a part resists is measured in volts (V). (a) True (b) False
39. 39.True or false: the voltmeter measures voltage. (a) False (b) True
40. 40.True or false: resistance is measured in ohms (Ω). (a) True (b) False

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