← Series circuits lesson New set →

Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 379 · 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.💡 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
  2. 2.💡 In a series circuit, how many paths does the current have? (a) one for each bulb (b) two (c) none (d) one
  3. 3.💡 A battery lights 2 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
  4. 4.True or false: “a single current path” is true of a parallel circuit. (a) False (b) True
  5. 5.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) series (b) parallel
  6. 6.True or false: “used in house wiring” is true of a series circuit. (a) True (b) False
  7. 7.True or false: “many paths for current” is true of a parallel circuit. (a) True (b) False
  8. 8.💡 3 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  9. 9.💡 5 identical bulbs are joined in series with a 12.5 V battery (ideal wires). How many volts does each bulb get? =
  10. 10.True or false: “a single current path” is true of a series circuit. (a) True (b) False
  11. 11.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) series (b) parallel
  12. 12.💡 4 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  13. 13.🔗 Series or parallel circuit: “used in house wiring”? (a) series (b) parallel
  14. 14.🔗 Series or parallel circuit: “a break stops every bulb”? (a) series (b) parallel
  15. 15.💡 2 identical bulbs are joined in series with a 2 V battery (ideal wires). How many volts does each bulb get? =
  16. 16.💡 3 identical bulbs are joined in series with a 9 V battery (ideal wires). How many volts does each bulb get? =
  17. 17.💡 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
  18. 18.💡 A battery lights 4 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
  19. 19.💡 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
  20. 20.True or false: “a break stops every bulb” is true of a series circuit. (a) True (b) False
  21. 21.💡 4 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =
  22. 22.🔗 Series or parallel circuit: “many paths for current”? (a) parallel (b) series
  23. 23.💡 3 identical bulbs are joined in series with a 4.5 V battery (ideal wires). How many volts does each bulb get? =
  24. 24.True or false: “own switch for each bulb” is true of a series circuit. (a) True (b) False
  25. 25.🔗 Series or parallel circuit: “own switch for each bulb”? (a) series (b) parallel
  26. 26.🔗 Series or parallel circuit: “each gets the full volts”? (a) series (b) parallel
  27. 27.True or false: “bulbs share the voltage” is true of a series circuit. (a) False (b) True
  28. 28.True or false: “one out, the rest glow” is true of a series circuit. (a) True (b) False
  29. 29.True or false: “each gets the full volts” is true of a series circuit. (a) True (b) False
  30. 30.💡 3 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  31. 31.💡 2 identical bulbs are joined in series with a 5 V battery (ideal wires). How many volts does each bulb get? =
  32. 32.True or false: “a break stops every bulb” is true of a parallel circuit. (a) True (b) False
  33. 33.💡 6 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?
  34. 34.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) True (b) False
  35. 35.💡 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. How many bulbs glow?
  36. 36.🔗 Series or parallel circuit: “a single current path”? (a) series (b) parallel
  37. 37.💡 5 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?
  38. 38.💡 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. Does bulb 3 glow? (a) Yes (b) No
  39. 39.True or false: “one bulb out, all go out” is true of a series circuit. (a) False (b) True
  40. 40.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) False (b) True

Answer key

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

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