Electronics Worksheet: Voltage, Current and Resistance

Electronics lesson 11: Voltage, current and resistance · Set 842 · 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.📏 In the water-pipe picture of a circuit, voltage is like … (a) the water tank lid (b) the water pressure (c) the tap handle (d) the pipe colour
2. 2.📏 Voltmeter or ammeter: which one is joined across a part? (a) ammeter (b) voltmeter
3. 3.True or false: the ammeter measures voltage. (a) True (b) False
4. 4.📏 How many amperes (A) is 1580 mA? =
5. 5.📏 Which unit measures how much a part resists? (a) volt (V) (b) watt (W) (c) ohm (Ω) (d) ampere (A)
6. 6.📏 Voltmeter or ammeter: which one is joined in series? (a) voltmeter (b) ammeter
7. 7.📏 Which unit measures power? (a) watt (W) (b) volt (V) (c) ohm (Ω) (d) ampere (A)
8. 8.📏 How many watts (W) is 0.9 kW?
9. 9.📏 In the water-pipe picture of a circuit, current is like … (a) the flow of water (b) the pipe colour (c) a narrow pipe (d) the water pressure
10. 10.True or false: the flow of charge is measured in amperes (A). (a) True (b) False
11. 11.📏 Voltmeter or ammeter: which one measures current? (a) ammeter (b) voltmeter
12. 12.📏 How many kilowatts (kW) is 3100 W? =
13. 13.📏 Which unit measures the flow of charge? (a) ohm (Ω) (b) watt (W) (c) ampere (A) (d) volt (V)
14. 14.True or false: the voltmeter measures voltage. (a) True (b) False
15. 15.📏 How many kilowatts (kW) is 750 W? =
16. 16.True or false: current is measured in amperes (A). (a) True (b) False
17. 17.📏 How many kilowatts (kW) is 2000 W? =
18. 18.Which of these is measured in ohms (Ω)? (a) how much a part resists (b) power (c) current (d) the push of a cell
19. 19.Which of these is measured in volts (V)? (a) how much a part resists (b) energy used each second (c) current (d) voltage
20. 20.True or false: the voltmeter is joined in series. (a) True (b) False
21. 21.📏 Which unit measures voltage? (a) ohm (Ω) (b) watt (W) (c) volt (V) (d) ampere (A)
22. 22.Which of these is measured in volts (V)? (a) energy used each second (b) the push of a cell (c) how much a part resists (d) current
23. 23.📏 Voltmeter or ammeter: which one measures voltage? (a) voltmeter (b) ammeter
24. 24.📏 How many ohms (Ω) is 6.7 kΩ?
25. 25.Which of these is measured in amperes (A)? (a) resistance (b) voltage (c) the push of a cell (d) current
26. 26.📏 How many kilo-ohms (kΩ) is 2800 Ω? =
27. 27.Which of these is measured in ohms (Ω)? (a) current (b) power (c) voltage (d) resistance
28. 28.📏 How many milliamperes (mA) is 0.26 A?
29. 29.📏 In the water-pipe picture of a circuit, resistance is like … (a) the water pressure (b) the flow of water (c) a bigger tank (d) a narrow pipe
30. 30.Which of these is measured in watts (W)? (a) voltage (b) current (c) resistance (d) energy used each second
31. 31.True or false: the push of a cell is measured in volts (V). (a) False (b) True
32. 32.True or false: energy used each second is measured in watts (W). (a) False (b) True
33. 33.True or false: the flow of charge is measured in volts (V). (a) False (b) True
34. 34.True or false: voltage is measured in volts (V). (a) False (b) True
35. 35.📏 How many watts (W) is 2.8 kW?
36. 36.True or false: how much a part resists is measured in volts (V). (a) False (b) True
37. 37.True or false: the ammeter measures current. (a) False (b) True
38. 38.True or false: the voltmeter measures current. (a) True (b) False
39. 39.📏 How many kilo-ohms (kΩ) is 7600 Ω? =
40. 40.📏 How many kilo-ohms (kΩ) is 1200 Ω? =

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