Electronics Worksheet: Parallel Circuits

Electronics lesson 9: Parallel circuits · Set 262 · 40 questions

Remember (A path for each): Each bulb has its own path: removing one leaves the others glowing. Each bulb gets the full battery voltage. Total current = add the current of each path (n identical bulbs → n × one bulb’s current).

1. 1.💡 6 identical bulbs are in parallel and each one takes 1.5 A. What total current (in amperes) comes from the battery? =
2. 2.💡 3 identical bulbs are joined in parallel across a 12 V battery (ideal wires). How many volts does each bulb get? =
3. 3.True or false: “used in house wiring” is true of a parallel circuit. (a) False (b) True
4. 4.💡 In a parallel circuit, one bulb breaks. What happens to the others? (a) they explode (b) they get dimmer (c) they keep glowing (d) they all go out
5. 5.💡 5 identical bulbs are in parallel and each bulb has its own switch on its path. 4 of the switches are OFF and the rest are ON. How many bulbs glow?
6. 6.True or false: “each gets the full volts” is true of a series circuit. (a) False (b) True
7. 7.Which of these is true of a parallel circuit? (a) one bulb out, all go out (b) bulbs share the voltage (c) a break stops every bulb (d) one out, the rest glow
8. 8.Which of these is true of a parallel circuit? (a) a single current path (b) one bulb out, all go out (c) a break stops every bulb (d) own switch for each bulb
9. 9.True or false: “a break stops every bulb” is true of a parallel circuit. (a) True (b) False
10. 10.💡 3 identical bulbs are in parallel and each one takes 1 A. What total current (in amperes) comes from the battery? =
11. 11.True or false: “one out, the rest glow” is true of a parallel circuit. (a) True (b) False
12. 12.Which of these is true of a parallel circuit? (a) a single current path (b) one bulb out, all go out (c) many paths for current (d) a break stops every bulb
13. 13.💡 2 identical bulbs are joined in parallel across a 12 V battery (ideal wires). How many volts does each bulb get? =
14. 14.Which of these is true of a series circuit? (a) a single current path (b) own switch for each bulb (c) one out, the rest glow (d) many paths for current
15. 15.💡 3 identical bulbs are joined in parallel (each on its own side-by-side path) with a battery and a closed switch on the main wire. Bulb 1 is taken out of its holder. How many bulbs glow?
16. 16.💡 A battery lights 4 identical bulbs joined in parallel. One more identical bulb is added in parallel. How do the bulbs glow now? (a) brighter (b) the same (c) dimmer
17. 17.Which of these is true of a parallel circuit? (a) each gets the full volts (b) one bulb out, all go out (c) a break stops every bulb (d) bulbs share the voltage
18. 18.💡 6 identical bulbs are joined in parallel (each on its own side-by-side path) with a battery and a closed switch on the main wire. Bulbs 1 and 5 are taken out of their holders. How many bulbs glow?
19. 19.💡 A battery lights 2 identical bulbs joined in parallel. One more identical bulb is added in parallel. How do the bulbs glow now? (a) brighter (b) the same (c) dimmer
20. 20.💡 5 identical bulbs are joined in parallel (each on its own side-by-side path) with a battery and a closed switch on the main wire. Bulbs 1 and 4 are taken out of their holders. How many bulbs glow?
21. 21.💡 5 identical bulbs are in parallel and each one takes 0.1 A. What total current (in amperes) comes from the battery? =
22. 22.💡 Why is house wiring done in parallel? (a) so all go off together (b) to make bulbs dim (c) to save copper only (d) each gets full voltage
23. 23.Which of these is true of a parallel circuit? (a) bulbs share the voltage (b) used in house wiring (c) one bulb out, all go out (d) a break stops every bulb
24. 24.💡 3 identical bulbs are joined in parallel (each on its own side-by-side path) with a battery and a closed switch on the main wire. Bulb 3 is taken out of its holder. How many bulbs glow?
25. 25.True or false: “one out, the rest glow” is true of a series circuit. (a) False (b) True
26. 26.True or false: “bulbs share the voltage” is true of a series circuit. (a) False (b) True
27. 27.💡 4 identical bulbs are joined in parallel across a 12 V battery (ideal wires). How many volts does each bulb get? =
28. 28.💡 3 identical bulbs are in parallel and each bulb has its own switch on its path. 2 of the switches are OFF and the rest are ON. How many bulbs glow?
29. 29.Which of these is true of a series circuit? (a) own switch for each bulb (b) used in house wiring (c) a break stops every bulb (d) each gets the full volts
30. 30.True or false: “each gets the full volts” is true of a parallel circuit. (a) True (b) False
31. 31.💡 A battery lights 3 identical bulbs joined in parallel. One more identical bulb is added in parallel. How do the bulbs glow now? (a) brighter (b) dimmer (c) the same
32. 32.💡 A battery lights 5 identical bulbs joined in parallel. One more identical bulb is added in parallel. How do the bulbs glow now? (a) the same (b) brighter (c) dimmer
33. 33.Which of these is true of a series circuit? (a) one bulb out, all go out (b) own switch for each bulb (c) used in house wiring (d) many paths for current
34. 34.Which of these is true of a series circuit? (a) one out, the rest glow (b) bulbs share the voltage (c) each gets the full volts (d) many paths for current
35. 35.True or false: “many paths for current” is true of a series circuit. (a) True (b) False
36. 36.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) True (b) False
37. 37.💡 3 identical bulbs are joined in parallel across a 3 V battery (ideal wires). How many volts does each bulb get? =
38. 38.💡 6 identical bulbs are joined in parallel (each on its own side-by-side path) with a battery and a closed switch on the main wire. Bulbs 3 and 4 are taken out of their holders. How many bulbs glow?
39. 39.💡 2 identical bulbs are joined in parallel across a 6 V battery (ideal wires). How many volts does each bulb get? =
40. 40.💡 3 identical bulbs are in parallel and each one takes 1.5 A. What total current (in amperes) comes from the battery? =

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