Electronics Worksheet: Voltage, Current and Resistance

Electronics lesson 11: Voltage, current and resistance · Set 362 · 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, current is like … (a) the water pressure (b) a narrow pipe (c) the flow of water (d) the pipe colour
2. 2.📏 Voltmeter or ammeter: which one is joined in series? (a) voltmeter (b) ammeter
3. 3.Which of these is measured in volts (V)? (a) power (b) energy used each second (c) current (d) the push of a cell
4. 4.📏 How many milliamperes (mA) make 1 ampere? (a) 100 (b) 60 (c) 10 (d) 1000
5. 5.Which of these is measured in watts (W)? (a) current (b) the flow of charge (c) energy used each second (d) the push of a cell
6. 6.Which of these is measured in amperes (A)? (a) how much a part resists (b) energy used each second (c) power (d) current
7. 7.True or false: voltage is measured in volts (V). (a) False (b) True
8. 8.📏 How many kilowatts (kW) is 1500 W? =
9. 9.📏 Which unit measures energy used each second? (a) volt (V) (b) watt (W) (c) ampere (A) (d) ohm (Ω)
10. 10.📏 How many amperes (A) is 1500 mA? =
11. 11.True or false: the ammeter measures current. (a) False (b) True
12. 12.📏 Voltmeter or ammeter: which one measures voltage? (a) ammeter (b) voltmeter
13. 13.Which of these is measured in amperes (A)? (a) voltage (b) energy used each second (c) the push of a cell (d) the flow of charge
14. 14.True or false: the voltmeter measures current. (a) True (b) False
15. 15.📏 How many kilo-ohms (kΩ) is 6100 Ω? =
16. 16.📏 Voltmeter or ammeter: which one is joined across a part? (a) voltmeter (b) ammeter
17. 17.True or false: the voltmeter measures voltage. (a) True (b) False
18. 18.📏 How many watts (W) is 4.8 kW?
19. 19.📏 Voltmeter or ammeter: which one measures current? (a) ammeter (b) voltmeter
20. 20.True or false: resistance is measured in amperes (A). (a) False (b) True
21. 21.True or false: the ammeter measures voltage. (a) False (b) True
22. 22.📏 Which unit measures current? (a) ampere (A) (b) watt (W) (c) ohm (Ω) (d) volt (V)
23. 23.True or false: the ammeter is joined in series. (a) False (b) True
24. 24.📏 Which unit measures power? (a) volt (V) (b) ampere (A) (c) watt (W) (d) ohm (Ω)
25. 25.Which of these is measured in volts (V)? (a) energy used each second (b) resistance (c) power (d) voltage
26. 26.True or false: energy used each second is measured in watts (W). (a) False (b) True
27. 27.📏 Which unit measures the push of a cell? (a) ampere (A) (b) ohm (Ω) (c) watt (W) (d) volt (V)
28. 28.📏 Which unit measures how much a part resists? (a) volt (V) (b) watt (W) (c) ampere (A) (d) ohm (Ω)
29. 29.📏 How many kilo-ohms (kΩ) is 8100 Ω? =
30. 30.Which of these is measured in ohms (Ω)? (a) the push of a cell (b) resistance (c) current (d) the flow of charge
31. 31.True or false: energy used each second is measured in volts (V). (a) True (b) False
32. 32.📏 How many amperes (A) is 900 mA? =
33. 33.📏 How many milliamperes (mA) is 1.13 A?
34. 34.📏 How many ohms (Ω) is 9.9 kΩ?
35. 35.📏 How many milliamperes (mA) is 2.63 A?
36. 36.📏 How many watts (W) is 1.1 kW?
37. 37.📏 How many kilo-ohms (kΩ) is 9700 Ω? =
38. 38.📏 How many ohms (Ω) is 0.6 kΩ?
39. 39.True or false: power is measured in ohms (Ω). (a) True (b) False
40. 40.True or false: the flow of charge is measured in volts (V). (a) True (b) False

Free electronics lessons, practice and worksheets at talentjr.in/electronics-for-kids