Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 568 · 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.💡 3 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
2. 2.🔗 Series or parallel circuit: “many paths for current”? (a) series (b) parallel
3. 3.💡 3 identical bulbs are joined in series with a 4.5 V battery (ideal wires). How many volts does each bulb get? =
4. 4.💡 A battery lights 2 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
5. 5.True or false: “one out, the rest glow” is true of a series circuit. (a) False (b) True
6. 6.💡 In a series circuit, how many paths does the current have? (a) none (b) two (c) one (d) one for each bulb
7. 7.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) parallel (b) series
8. 8.🔗 Series or parallel circuit: “one out, the rest glow”? (a) series (b) parallel
9. 9.💡 4 identical bulbs are joined in series with a 16 V battery (ideal wires). How many volts does each bulb get? =
10. 10.💡 3 identical bulbs are joined in series with a 12 V battery (ideal wires). How many volts does each bulb get? =
11. 11.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) in parallel (b) by Wi-Fi (c) not joined (d) in series
12. 12.💡 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. Does bulb 1 glow? (a) Yes (b) No
13. 13.💡 2 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. How many bulbs glow?
14. 14.💡 4 identical bulbs are joined in series with a battery and a closed switch on the main wire. Bulb 4 is taken out of its holder. How many bulbs glow?
15. 15.🔗 Series or parallel circuit: “own switch for each bulb”? (a) series (b) parallel
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.💡 A battery lights 5 identical bulbs joined in series. One more identical bulb is added in series. How do the bulbs glow now? (a) the same (b) brighter (c) dimmer
18. 18.🔗 Series or parallel circuit: “a single current path”? (a) series (b) parallel
19. 19.💡 3 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?
20. 20.True or false: “a single current path” is true of a parallel circuit. (a) True (b) False
21. 21.True or false: “used in house wiring” is true of a parallel circuit. (a) True (b) False
22. 22.💡 4 identical bulbs are joined in series with an 8 V battery (ideal wires). How many volts does each bulb get? =
23. 23.True or false: “each gets the full volts” is true of a series circuit. (a) False (b) True
24. 24.True or false: “used in house wiring” is true of a series circuit. (a) False (b) True
25. 25.💡 2 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
26. 26.🔗 Series or parallel circuit: “a break stops every bulb”? (a) parallel (b) series
27. 27.True or false: “own switch for each bulb” is true of a parallel circuit. (a) False (b) True
28. 28.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) parallel (b) series
29. 29.💡 4 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. How many bulbs glow?
30. 30.💡 4 identical bulbs are joined in series with a 10 V battery (ideal wires). How many volts does each bulb get? =
31. 31.True or false: “a break stops every bulb” is true of a parallel circuit. (a) False (b) True
32. 32.💡 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. Does bulb 4 glow? (a) No (b) Yes
33. 33.💡 3 identical bulbs are joined in series with a 9 V battery (ideal wires). How many volts does each bulb get? =
34. 34.💡 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
35. 35.💡 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 3 glow? (a) Yes (b) No
36. 36.💡 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. How many bulbs glow?
37. 37.💡 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?
38. 38.🔗 Series or parallel circuit: “used in house wiring”? (a) parallel (b) series
39. 39.🔗 Series or parallel circuit: “each gets the full volts”? (a) parallel (b) series
40. 40.💡 A battery lights 3 identical bulbs joined in series. One more identical bulb is added in series. How do the bulbs glow now? (a) dimmer (b) brighter (c) the same

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