Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 745 · 40 questions

Remember (One path for all): One path: if any bulb is removed or broken, no bulb glows. Identical bulbs share the voltage: each gets battery volts ÷ number of bulbs. More bulbs in series → each gets less → all glow dimmer.

1. 1.True or false: “bulbs share the voltage” is true of a series circuit. (a) False (b) True
2. 2.True or false: “one out, the rest glow” is true of a series circuit. (a) False (b) True
3. 3.💡 5 identical bulbs are joined in series with a battery and a closed switch on the main wire. Bulb 3 is taken out of its holder. Does bulb 4 glow? (a) Yes (b) No
4. 4.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) True (b) False
5. 5.🔗 Series or parallel circuit: “a single current path”? (a) series (b) parallel
6. 6.🔗 Series or parallel circuit: “one out, the rest glow”? (a) parallel (b) series
7. 7.💡 A battery lights 2 identical bulbs joined in series. One more identical bulb is added in series. How do the bulbs glow now? (a) dimmer (b) the same (c) brighter
8. 8.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) parallel (b) series
9. 9.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) in parallel (b) by Wi-Fi (c) in series (d) not joined
10. 10.🔗 Series or parallel circuit: “many paths for current”? (a) series (b) parallel
11. 11.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) series (b) parallel
12. 12.💡 In a series circuit, how many paths does the current have? (a) two (b) none (c) one for each bulb (d) one
13. 13.True or false: “a single current path” is true of a parallel circuit. (a) False (b) True
14. 14.🔗 Series or parallel circuit: “used in house wiring”? (a) series (b) parallel
15. 15.💡 A battery lights 5 identical bulbs joined in series. One more identical bulb is added in series. How do the bulbs glow now? (a) brighter (b) the same (c) dimmer
16. 16.💡 2 identical bulbs are joined in series with a battery and a closed switch on the main wire. Bulb 2 is taken out of its holder. Does bulb 1 glow? (a) Yes (b) No
17. 17.🔗 Series or parallel circuit: “a break stops every bulb”? (a) parallel (b) series
18. 18.True or false: “many paths for current” is true of a parallel circuit. (a) True (b) False
19. 19.💡 4 identical bulbs are joined in series with a 16 V battery (ideal wires). How many volts does each bulb get? =
20. 20.True or false: “many paths for current” is true of a series circuit. (a) False (b) True
21. 21.True or false: “a break stops every bulb” is true of a parallel circuit. (a) True (b) False
22. 22.💡 4 identical bulbs are joined in series with a battery and a closed switch on the main wire. Bulb 3 is taken out of its holder. How many bulbs glow?
23. 23.🔗 Series or parallel circuit: “each gets the full volts”? (a) series (b) parallel
24. 24.💡 2 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
25. 25.💡 2 identical bulbs are joined in series with a 2 V battery (ideal wires). How many volts does each bulb get? =
26. 26.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) True (b) False
27. 27.💡 3 identical bulbs are joined in series with a battery and a closed switch on the main wire. All the bulbs are in place. Does bulb 3 glow? (a) Yes (b) No
28. 28.True or false: “own switch for each bulb” is true of a series circuit. (a) True (b) False
29. 29.💡 2 identical bulbs are joined in series with a battery and a closed switch on the main wire. All the bulbs are in place. How many bulbs glow?
30. 30.💡 A battery lights 3 identical bulbs joined in series. One more identical bulb is added in series. How do the bulbs glow now? (a) brighter (b) dimmer (c) the same
31. 31.💡 4 identical bulbs are joined in series with a battery and a closed switch on the main wire. All the bulbs are in place. How many bulbs glow?
32. 32.💡 3 identical bulbs are joined in series with a battery and a closed switch on the main wire. Bulb 1 is taken out of its holder. Does bulb 2 glow? (a) No (b) Yes
33. 33.True or false: “own switch for each bulb” is true of a parallel circuit. (a) True (b) False
34. 34.True or false: “each gets the full volts” is true of a parallel circuit. (a) True (b) False
35. 35.💡 3 identical bulbs are joined in series with a battery and a closed switch on the main wire. Bulb 3 is taken out of its holder. How many bulbs glow?
36. 36.💡 4 identical bulbs are joined in series with a battery and a closed switch on the main wire. Bulb 1 is taken out of its holder. Does bulb 3 glow? (a) Yes (b) No
37. 37.True or false: “a break stops every bulb” is true of a series circuit. (a) True (b) False
38. 38.💡 4 identical bulbs are joined in series with a 10 V battery (ideal wires). How many volts does each bulb get? =
39. 39.True or false: “one bulb out, all go out” is true of a series circuit. (a) True (b) False
40. 40.💡 A battery lights 4 identical bulbs joined in series. One more identical bulb is added in series. How do the bulbs glow now? (a) brighter (b) dimmer (c) the same

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