Electronics Worksheet: Voltage, Current and Resistance

Electronics lesson 11: Voltage, current and resistance · Set 760 · 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) ammeter (b) voltmeter
2. 2.📏 How many amperes (A) is 1770 mA? =
3. 3.True or false: the voltmeter is joined in series. (a) True (b) False
4. 4.📏 How many ohms (Ω) is 3 kΩ?
5. 5.True or false: the push of a cell is measured in volts (V). (a) True (b) False
6. 6.📏 How many milliamperes (mA) make 1 ampere? (a) 60 (b) 100 (c) 1000 (d) 10
7. 7.📏 Voltmeter or ammeter: which one measures voltage? (a) ammeter (b) voltmeter
8. 8.Which of these is measured in ohms (Ω)? (a) how much a part resists (b) voltage (c) the push of a cell (d) energy used each second
9. 9.📏 Voltmeter or ammeter: which one is joined in series? (a) voltmeter (b) ammeter
10. 10.True or false: the ammeter is joined in series. (a) True (b) False
11. 11.📏 Which unit measures voltage? (a) volt (V) (b) ohm (Ω) (c) watt (W) (d) ampere (A)
12. 12.📏 How many kilo-ohms (kΩ) is 3300 Ω? =
13. 13.📏 How many ohms (Ω) is 2.6 kΩ?
14. 14.Which of these is measured in watts (W)? (a) the push of a cell (b) current (c) power (d) how much a part resists
15. 15.📏 In the water-pipe picture of a circuit, resistance is like … (a) the flow of water (b) a narrow pipe (c) a bigger tank (d) the water pressure
16. 16.True or false: the push of a cell is measured in amperes (A). (a) False (b) True
17. 17.📏 How many kilowatts (kW) is 2250 W? =
18. 18.📏 Which unit measures the flow of charge? (a) watt (W) (b) ohm (Ω) (c) volt (V) (d) ampere (A)
19. 19.True or false: the voltmeter is joined across a part. (a) False (b) True
20. 20.📏 How many milliamperes (mA) is 1.3 A?
21. 21.📏 How many milliamperes (mA) is 1.65 A?
22. 22.📏 How many watts (W) is 3.1 kW?
23. 23.📏 Which unit measures power? (a) volt (V) (b) watt (W) (c) ohm (Ω) (d) ampere (A)
24. 24.📏 In the water-pipe picture of a circuit, voltage is like … (a) the water pressure (b) the tap handle (c) the pipe colour (d) the water tank lid
25. 25.True or false: the ammeter is joined across a part. (a) False (b) True
26. 26.True or false: the voltmeter measures current. (a) True (b) False
27. 27.📏 How many kilo-ohms (kΩ) is 2400 Ω? =
28. 28.📏 How many milliamperes (mA) is 1.33 A?
29. 29.📏 How many watts (W) is 1.6 kW?
30. 30.True or false: resistance is measured in watts (W). (a) False (b) True
31. 31.True or false: voltage is measured in volts (V). (a) True (b) False
32. 32.📏 How many watts (W) is 0.5 kW?
33. 33.📏 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
34. 34.📏 Which unit measures the push of a cell? (a) volt (V) (b) ohm (Ω) (c) watt (W) (d) ampere (A)
35. 35.True or false: energy used each second is measured in volts (V). (a) False (b) True
36. 36.📏 How many milliamperes (mA) is 1.77 A?
37. 37.Which of these is measured in amperes (A)? (a) the push of a cell (b) current (c) voltage (d) resistance
38. 38.Which of these is measured in volts (V)? (a) resistance (b) the flow of charge (c) current (d) voltage
39. 39.📏 How many amperes (A) is 1110 mA? =
40. 40.📏 How many ohms make 1 kilo-ohm (kΩ)? (a) 1000 (b) 10 (c) 100 (d) 1024

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