← Series circuits lesson New set →

Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 216 · 40 questions
TalentJR

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.

NameDateTime takenScore ___ / 40
  1. 1.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) in series (b) not joined (c) by Wi-Fi (d) in parallel
  2. 2.💡 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?
  3. 3.💡 In a series circuit, how many paths does the current have? (a) two (b) one for each bulb (c) none (d) one
  4. 4.💡 A battery lights 4 identical bulbs joined in series. One more identical bulb is added in series. How do the bulbs glow now? (a) the same (b) dimmer (c) brighter
  5. 5.🔗 Series or parallel circuit: “one out, the rest glow”? (a) series (b) parallel
  6. 6.💡 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) Yes (b) No
  7. 7.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) False (b) True
  8. 8.💡 5 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  9. 9.True or false: “used in house wiring” is true of a series circuit. (a) True (b) False
  10. 10.🔗 Series or parallel circuit: “a single current path”? (a) parallel (b) series
  11. 11.🔗 Series or parallel circuit: “each gets the full volts”? (a) parallel (b) series
  12. 12.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) series (b) parallel
  13. 13.💡 2 identical bulbs are joined in series with a 5 V battery (ideal wires). How many volts does each bulb get? =
  14. 14.🔗 Series or parallel circuit: “own switch for each bulb”? (a) series (b) parallel
  15. 15.💡 2 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  16. 16.True or false: “each gets the full volts” is true of a parallel circuit. (a) False (b) True
  17. 17.💡 4 identical bulbs are joined in series with a 16 V battery (ideal wires). How many volts does each bulb get? =
  18. 18.True or false: “many paths for current” is true of a parallel circuit. (a) False (b) True
  19. 19.True or false: “own switch for each bulb” is true of a series circuit. (a) False (b) True
  20. 20.💡 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?
  21. 21.💡 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
  22. 22.💡 6 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?
  23. 23.True or false: “own switch for each bulb” is true of a parallel circuit. (a) True (b) False
  24. 24.🔗 Series or parallel circuit: “a break stops every bulb”? (a) parallel (b) series
  25. 25.True or false: “a break stops every bulb” is true of a series circuit. (a) False (b) True
  26. 26.💡 3 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  27. 27.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) False (b) True
  28. 28.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) series (b) parallel
  29. 29.🔗 Series or parallel circuit: “many paths for current”? (a) parallel (b) series
  30. 30.💡 3 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  31. 31.True or false: “one bulb out, all go out” is true of a series circuit. (a) False (b) True
  32. 32.💡 6 identical bulbs are joined in series with a battery and a closed switch on the main wire. Bulb 5 is taken out of its holder. How many bulbs glow?
  33. 33.💡 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?
  34. 34.True or false: “many paths for current” is true of a series circuit. (a) True (b) False
  35. 35.True or false: “one out, the rest glow” is true of a parallel circuit. (a) False (b) True
  36. 36.🔗 Series or parallel circuit: “used in house wiring”? (a) parallel (b) series
  37. 37.True or false: “a break stops every bulb” is true of a parallel circuit. (a) False (b) True
  38. 38.💡 A battery lights 5 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
  39. 39.True or false: “each gets the full volts” is true of a series circuit. (a) False (b) True
  40. 40.💡 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?

Answer key

  1. in series
  2. 0
  3. one
  4. dimmer
  5. parallel
  6. No
  7. False
  8. 1.5
  9. False
  10. series
  11. parallel
  12. series
  13. 2.5
  14. parallel
  15. 1.5
  16. True
  17. 4
  18. True
  19. False
  20. 0
  21. dimmer
  22. 0
  23. True
  24. series
  25. True
  26. 2
  27. False
  28. series
  29. parallel
  30. 2.5
  31. True
  32. 0
  33. 2
  34. False
  35. True
  36. parallel
  37. False
  38. dimmer
  39. False
  40. 4

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