Electronics Worksheet: Voltage, Current and Resistance

Electronics lesson 11: Voltage, current and resistance · Set 893 · 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: resistance is measured in amperes (A). (a) True (b) False
2. 2.True or false: energy used each second is measured in watts (W). (a) True (b) False
3. 3.📏 How many kilowatts (kW) is 4100 W? =
4. 4.📏 Voltmeter or ammeter: which one measures current? (a) ammeter (b) voltmeter
5. 5.Which of these is measured in ohms (Ω)? (a) resistance (b) energy used each second (c) voltage (d) power
6. 6.Which of these is measured in volts (V)? (a) the push of a cell (b) energy used each second (c) the flow of charge (d) power
7. 7.📏 Which unit measures power? (a) watt (W) (b) ampere (A) (c) volt (V) (d) ohm (Ω)
8. 8.True or false: voltage is measured in watts (W). (a) True (b) False
9. 9.📏 How many ohms (Ω) is 6.5 kΩ?
10. 10.📏 Which unit measures the push of a cell? (a) ohm (Ω) (b) watt (W) (c) ampere (A) (d) volt (V)
11. 11.📏 Voltmeter or ammeter: which one is joined across a part? (a) ammeter (b) voltmeter
12. 12.📏 How many kilowatts (kW) is 750 W? =
13. 13.📏 How many kilowatts (kW) is 4800 W? =
14. 14.📏 How many watts (W) is 1.5 kW?
15. 15.📏 How many kilowatts (kW) is 250 W? =
16. 16.Which of these is measured in amperes (A)? (a) energy used each second (b) power (c) the flow of charge (d) the push of a cell
17. 17.📏 How many kilowatts (kW) is 700 W? =
18. 18.True or false: the ammeter is joined across a part. (a) True (b) False
19. 19.📏 Which unit measures energy used each second? (a) watt (W) (b) volt (V) (c) ohm (Ω) (d) ampere (A)
20. 20.📏 How many watts (W) is 5 kW?
21. 21.True or false: the ammeter is joined in series. (a) True (b) False
22. 22.📏 Which unit measures the flow of charge? (a) ohm (Ω) (b) watt (W) (c) ampere (A) (d) volt (V)
23. 23.📏 How many ohms (Ω) is 5.6 kΩ?
24. 24.📏 How many kilo-ohms (kΩ) is 2000 Ω? =
25. 25.True or false: how much a part resists is measured in ohms (Ω). (a) False (b) True
26. 26.True or false: the ammeter measures voltage. (a) True (b) False
27. 27.📏 How many kilo-ohms (kΩ) is 9100 Ω? =
28. 28.📏 How many watts (W) is 4.1 kW?
29. 29.True or false: the voltmeter measures voltage. (a) False (b) True
30. 30.📏 How many milliamperes (mA) make 1 ampere? (a) 100 (b) 60 (c) 10 (d) 1000
31. 31.📏 How many kilo-ohms (kΩ) is 6200 Ω? =
32. 32.True or false: the flow of charge is measured in ohms (Ω). (a) True (b) False
33. 33.True or false: the push of a cell is measured in watts (W). (a) False (b) True
34. 34.📏 Which unit measures resistance? (a) ohm (Ω) (b) watt (W) (c) volt (V) (d) ampere (A)
35. 35.📏 Voltmeter or ammeter: which one measures voltage? (a) voltmeter (b) ammeter
36. 36.📏 Which unit measures current? (a) watt (W) (b) volt (V) (c) ampere (A) (d) ohm (Ω)
37. 37.Which of these is measured in volts (V)? (a) current (b) the flow of charge (c) voltage (d) power
38. 38.Which of these is measured in amperes (A)? (a) resistance (b) how much a part resists (c) current (d) the push of a cell
39. 39.True or false: the push of a cell is measured in ohms (Ω). (a) False (b) True
40. 40.📏 How many milliamperes (mA) is 2.22 A?

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