Electronics Worksheet: Voltage, Current and Resistance

Electronics lesson 11: Voltage, current and resistance · Set 778 · 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.True or false: the ammeter is joined across a part. (a) False (b) True
2. 2.Which of these is measured in volts (V)? (a) current (b) energy used each second (c) the flow of charge (d) voltage
3. 3.📏 Which unit measures how much a part resists? (a) ampere (A) (b) watt (W) (c) ohm (Ω) (d) volt (V)
4. 4.True or false: the ammeter is joined in series. (a) False (b) True
5. 5.📏 How many amperes (A) is 2160 mA? =
6. 6.📏 Voltmeter or ammeter: which one measures voltage? (a) ammeter (b) voltmeter
7. 7.📏 How many milliamperes (mA) is 1.98 A?
8. 8.Which of these is measured in watts (W)? (a) the push of a cell (b) energy used each second (c) how much a part resists (d) voltage
9. 9.📏 How many milliamperes (mA) is 1.81 A?
10. 10.📏 Which unit measures the push of a cell? (a) ohm (Ω) (b) ampere (A) (c) watt (W) (d) volt (V)
11. 11.📏 How many kilowatts (kW) is 4150 W? =
12. 12.📏 How many watts (W) is 4.2 kW?
13. 13.True or false: the ammeter measures current. (a) True (b) False
14. 14.True or false: the push of a cell is measured in volts (V). (a) False (b) True
15. 15.True or false: the voltmeter is joined across a part. (a) False (b) True
16. 16.📏 How many milliamperes (mA) is 1.5 A?
17. 17.Which of these is measured in watts (W)? (a) power (b) the flow of charge (c) voltage (d) current
18. 18.📏 How many watts (W) is 4.8 kW?
19. 19.📏 How many kilo-ohms (kΩ) is 5300 Ω? =
20. 20.📏 How many amperes (A) is 2260 mA? =
21. 21.📏 Which unit measures energy used each second? (a) watt (W) (b) ampere (A) (c) ohm (Ω) (d) volt (V)
22. 22.True or false: how much a part resists is measured in ohms (Ω). (a) True (b) False
23. 23.📏 Voltmeter or ammeter: which one measures current? (a) ammeter (b) voltmeter
24. 24.True or false: power is measured in amperes (A). (a) False (b) True
25. 25.True or false: power is measured in watts (W). (a) False (b) True
26. 26.📏 Which unit measures resistance? (a) volt (V) (b) ampere (A) (c) watt (W) (d) ohm (Ω)
27. 27.Which of these is measured in volts (V)? (a) energy used each second (b) the push of a cell (c) power (d) the flow of charge
28. 28.📏 Which unit measures current? (a) volt (V) (b) watt (W) (c) ohm (Ω) (d) ampere (A)
29. 29.📏 How many kilowatts (kW) is 2750 W? =
30. 30.True or false: voltage is measured in amperes (A). (a) False (b) True
31. 31.📏 How many kilowatts (kW) is 3700 W? =
32. 32.True or false: resistance is measured in ohms (Ω). (a) True (b) False
33. 33.True or false: how much a part resists is measured in amperes (A). (a) True (b) False
34. 34.📏 How many amperes (A) is 1440 mA? =
35. 35.📏 Voltmeter or ammeter: which one is joined across a part? (a) ammeter (b) voltmeter
36. 36.Which of these is measured in amperes (A)? (a) the push of a cell (b) energy used each second (c) current (d) voltage
37. 37.📏 How many ohms (Ω) is 4.6 kΩ?
38. 38.Which of these is measured in amperes (A)? (a) voltage (b) resistance (c) the push of a cell (d) the flow of charge
39. 39.📏 How many ohms (Ω) is 6.3 kΩ?
40. 40.True or false: power is measured in ohms (Ω). (a) False (b) True

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