Electronics Worksheet: Parallel Circuits

Electronics lesson 9: Parallel circuits · Set 5 · 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.Which of these is true of a parallel circuit? (a) bulbs share the voltage (b) a single current path (c) a break stops every bulb (d) each gets the full volts
2. 2.Which of these is true of a series circuit? (a) each gets the full volts (b) one bulb out, all go out (c) own switch for each bulb (d) many paths for current
3. 3.💡 In a parallel circuit, one bulb breaks. What happens to the others? (a) they all go out (b) they explode (c) they keep glowing (d) they get dimmer
4. 4.True or false: “each gets the full volts” is true of a parallel circuit. (a) True (b) False
5. 5.💡 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
6. 6.Which of these is true of a parallel circuit? (a) a break stops every bulb (b) bulbs share the voltage (c) own switch for each bulb (d) one bulb out, all go out
7. 7.True or false: “one bulb out, all go out” is true of a series circuit. (a) False (b) True
8. 8.💡 6 identical bulbs are in parallel and each one takes 0.2 A. What total current (in amperes) comes from the battery? =
9. 9.💡 Why is house wiring done in parallel? (a) to save copper only (b) to make bulbs dim (c) each gets full voltage (d) so all go off together
10. 10.💡 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
11. 11.True or false: “own switch for each bulb” is true of a series circuit. (a) True (b) False
12. 12.💡 6 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?
13. 13.💡 3 identical bulbs are joined in parallel across a 3 V battery (ideal wires). How many volts does each bulb get? =
14. 14.💡 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) dimmer (c) brighter
15. 15.True or false: “bulbs share the voltage” is true of a series circuit. (a) True (b) False
16. 16.Which of these is true of a series circuit? (a) bulbs share the voltage (b) used in house wiring (c) one out, the rest glow (d) each gets the full volts
17. 17.💡 2 identical bulbs are in parallel and each one takes 1 A. What total current (in amperes) comes from the battery? =
18. 18.Which of these is true of a parallel circuit? (a) a single current path (b) used in house wiring (c) a break stops every bulb (d) bulbs share the voltage
19. 19.💡 3 identical bulbs are in parallel and each bulb has its own switch on its path. 1 of the switches is OFF and the rest are ON. How many bulbs glow?
20. 20.💡 6 identical bulbs are in parallel and each one takes 1.5 A. What total current (in amperes) comes from the battery? =
21. 21.Which of these is true of a series circuit? (a) a single current path (b) each gets the full volts (c) used in house wiring (d) one out, the rest glow
22. 22.True or false: “one out, the rest glow” is true of a parallel circuit. (a) True (b) False
23. 23.💡 3 identical bulbs are in parallel and each one takes 1 A. What total current (in amperes) comes from the battery? =
24. 24.💡 4 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?
25. 25.Which of these is true of a series circuit? (a) each gets the full volts (b) used in house wiring (c) a break stops every bulb (d) own switch for each bulb
26. 26.Which of these is true of a parallel circuit? (a) a single current path (b) many paths for current (c) a break stops every bulb (d) bulbs share the voltage
27. 27.True or false: “used in house wiring” is true of a series circuit. (a) False (b) True
28. 28.Which of these is true of a parallel circuit? (a) one out, the rest glow (b) one bulb out, all go out (c) a single current path (d) a break stops every bulb
29. 29.True or false: “a break stops every bulb” is true of a series circuit. (a) True (b) False
30. 30.True or false: “one out, the rest glow” is true of a series circuit. (a) True (b) False
31. 31.💡 3 identical bulbs are joined in parallel across a 12 V battery (ideal wires). How many volts does each bulb get? =
32. 32.💡 4 identical bulbs are in parallel and each bulb has its own switch on its path. 1 of the switches is OFF and the rest are ON. How many bulbs glow?
33. 33.💡 4 identical bulbs are in parallel and each one takes 1 A. What total current (in amperes) comes from the battery? =
34. 34.💡 2 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 2 is taken out of its holder. How many bulbs glow?
35. 35.💡 2 identical bulbs are joined in parallel across a 6 V battery (ideal wires). How many volts does each bulb get? =
36. 36.💡 2 identical bulbs are joined in parallel across a 9 V battery (ideal wires). How many volts does each bulb get? =
37. 37.💡 2 identical bulbs are in parallel and each one takes 1.5 A. What total current (in amperes) comes from the battery? =
38. 38.True or false: “a single current path” is true of a series circuit. (a) False (b) True
39. 39.💡 6 identical bulbs are in parallel and each bulb has its own switch on its path. 3 of the switches are OFF and the rest are ON. How many bulbs glow?
40. 40.💡 A battery lights 3 identical bulbs joined in parallel. One more identical bulb is added in parallel. How do the bulbs glow now? (a) the same (b) dimmer (c) brighter

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