← Series circuits lesson New set →

Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 671 · 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.💡 6 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?
  2. 2.💡 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
  3. 3.💡 2 identical bulbs are joined in series with a 2 V battery (ideal wires). How many volts does each bulb get? =
  4. 4.💡 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) the same (c) brighter
  5. 5.💡 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?
  6. 6.True or false: “many paths for current” is true of a series circuit. (a) True (b) False
  7. 7.🔗 Series or parallel circuit: “a break stops every bulb”? (a) parallel (b) series
  8. 8.🔗 Series or parallel circuit: “each gets the full volts”? (a) series (b) parallel
  9. 9.💡 4 identical bulbs are joined in series with an 8 V battery (ideal wires). How many volts does each bulb get? =
  10. 10.💡 3 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  11. 11.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) parallel (b) series
  12. 12.💡 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?
  13. 13.🔗 Series or parallel circuit: “own switch for each bulb”? (a) parallel (b) series
  14. 14.True or false: “used in house wiring” is true of a series circuit. (a) False (b) True
  15. 15.💡 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?
  16. 16.🔗 Series or parallel circuit: “one out, the rest glow”? (a) series (b) parallel
  17. 17.💡 In a series circuit, how many paths does the current have? (a) one for each bulb (b) none (c) one (d) two
  18. 18.💡 5 identical bulbs are joined in series with a 20 V battery (ideal wires). How many volts does each bulb get? =
  19. 19.💡 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) the same (c) dimmer
  20. 20.🔗 Series or parallel circuit: “many paths for current”? (a) parallel (b) series
  21. 21.💡 5 identical bulbs are joined in series with a 10 V battery (ideal wires). How many volts does each bulb get? =
  22. 22.💡 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?
  23. 23.💡 6 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?
  24. 24.True or false: “each gets the full volts” is true of a series circuit. (a) True (b) False
  25. 25.True or false: “each gets the full volts” is true of a parallel circuit. (a) True (b) False
  26. 26.💡 2 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =
  27. 27.🔗 Series or parallel circuit: “used in house wiring”? (a) series (b) parallel
  28. 28.💡 4 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  29. 29.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) parallel (b) series
  30. 30.💡 4 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =
  31. 31.💡 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?
  32. 32.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) by Wi-Fi (b) in series (c) not joined (d) in parallel
  33. 33.🔗 Series or parallel circuit: “a single current path”? (a) parallel (b) series
  34. 34.💡 5 identical bulbs are joined in series with a 5 V battery (ideal wires). How many volts does each bulb get? =
  35. 35.💡 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 1 glow? (a) Yes (b) No
  36. 36.💡 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
  37. 37.True or false: “many paths for current” is true of a parallel circuit. (a) True (b) False
  38. 38.💡 2 identical bulbs are joined in series with an 8 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 parallel circuit. (a) False (b) True
  40. 40.💡 3 identical bulbs are joined in series with a 9 V battery (ideal wires). How many volts does each bulb get? =

Answer key

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

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