Electronics Worksheet: Voltage, Current and Resistance

Electronics lesson 11: Voltage, current and resistance · Set 971 · 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 push of a cell is measured in watts (W). (a) True (b) False
2. 2.📏 How many ohms make 1 kilo-ohm (kΩ)? (a) 1024 (b) 10 (c) 1000 (d) 100
3. 3.📏 Which unit measures the push of a cell? (a) ohm (Ω) (b) ampere (A) (c) watt (W) (d) volt (V)
4. 4.📏 Which unit measures energy used each second? (a) watt (W) (b) volt (V) (c) ohm (Ω) (d) ampere (A)
5. 5.Which of these is measured in volts (V)? (a) power (b) how much a part resists (c) voltage (d) current
6. 6.True or false: the voltmeter is joined in series. (a) False (b) True
7. 7.Which of these is measured in watts (W)? (a) how much a part resists (b) energy used each second (c) current (d) voltage
8. 8.📏 In the water-pipe picture of a circuit, voltage is like … (a) the water tank lid (b) the tap handle (c) the water pressure (d) the pipe colour
9. 9.Which of these is measured in volts (V)? (a) how much a part resists (b) power (c) the push of a cell (d) energy used each second
10. 10.📏 How many watts (W) is 0.7 kW?
11. 11.True or false: the flow of charge is measured in watts (W). (a) True (b) False
12. 12.📏 How many milliamperes (mA) is 1.47 A?
13. 13.True or false: the push of a cell is measured in amperes (A). (a) False (b) True
14. 14.📏 Which unit measures resistance? (a) ohm (Ω) (b) ampere (A) (c) watt (W) (d) volt (V)
15. 15.📏 Which unit measures voltage? (a) ampere (A) (b) watt (W) (c) ohm (Ω) (d) volt (V)
16. 16.Which of these is measured in amperes (A)? (a) how much a part resists (b) the push of a cell (c) power (d) the flow of charge
17. 17.📏 How many milliamperes (mA) make 1 ampere? (a) 60 (b) 100 (c) 10 (d) 1000
18. 18.True or false: the ammeter measures voltage. (a) True (b) False
19. 19.True or false: energy used each second is measured in ohms (Ω). (a) True (b) False
20. 20.📏 Which unit measures the flow of charge? (a) ohm (Ω) (b) volt (V) (c) watt (W) (d) ampere (A)
21. 21.📏 How many kilo-ohms (kΩ) is 9700 Ω? =
22. 22.📏 How many milliamperes (mA) is 1.56 A?
23. 23.📏 How many amperes (A) is 1590 mA? =
24. 24.True or false: the ammeter measures current. (a) False (b) True
25. 25.📏 How many amperes (A) is 800 mA? =
26. 26.📏 Voltmeter or ammeter: which one measures voltage? (a) ammeter (b) voltmeter
27. 27.📏 Voltmeter or ammeter: which one is joined in series? (a) ammeter (b) voltmeter
28. 28.Which of these is measured in ohms (Ω)? (a) the push of a cell (b) the flow of charge (c) how much a part resists (d) current
29. 29.True or false: the voltmeter measures current. (a) True (b) False
30. 30.📏 How many kilo-ohms (kΩ) is 2600 Ω? =
31. 31.True or false: voltage is measured in volts (V). (a) True (b) False
32. 32.📏 How many kilowatts (kW) is 200 W? =
33. 33.📏 How many ohms (Ω) is 2.4 kΩ?
34. 34.Which of these is measured in watts (W)? (a) the flow of charge (b) voltage (c) power (d) the push of a cell
35. 35.📏 How many amperes (A) is 1950 mA? =
36. 36.📏 Which unit measures how much a part resists? (a) ohm (Ω) (b) ampere (A) (c) watt (W) (d) volt (V)
37. 37.📏 How many kilo-ohms (kΩ) is 4600 Ω? =
38. 38.📏 How many ohms (Ω) is 4.3 kΩ?
39. 39.📏 How many watts (W) is 0.6 kW?
40. 40.📏 Voltmeter or ammeter: which one measures current? (a) ammeter (b) voltmeter

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