← Series circuits lesson New set →

Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 804 · 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.💡 2 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  2. 2.💡 3 identical bulbs are joined in series with a 4.5 V battery (ideal wires). How many volts does each bulb get? =
  3. 3.🔗 Series or parallel circuit: “one out, the rest glow”? (a) parallel (b) series
  4. 4.True or false: “own switch for each bulb” is true of a parallel circuit. (a) True (b) False
  5. 5.💡 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) brighter (c) dimmer
  6. 6.💡 In a series circuit, how many paths does the current have? (a) none (b) one for each bulb (c) two (d) one
  7. 7.🔗 Series or parallel circuit: “own switch for each bulb”? (a) series (b) parallel
  8. 8.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) True (b) False
  9. 9.True or false: “one out, the rest glow” is true of a parallel circuit. (a) False (b) True
  10. 10.💡 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) dimmer (c) the same
  11. 11.🔗 Series or parallel circuit: “used in house wiring”? (a) series (b) parallel
  12. 12.True or false: “one out, the rest glow” is true of a series circuit. (a) False (b) True
  13. 13.💡 5 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?
  14. 14.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) by Wi-Fi (b) in parallel (c) not joined (d) in series
  15. 15.True or false: “many paths for current” is true of a series circuit. (a) False (b) True
  16. 16.True or false: “bulbs share the voltage” is true of a series circuit. (a) True (b) False
  17. 17.🔗 Series or parallel circuit: “a break stops every bulb”? (a) series (b) parallel
  18. 18.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) True (b) False
  19. 19.💡 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?
  20. 20.💡 5 identical bulbs are joined in series with a 10 V battery (ideal wires). How many volts does each bulb get? =
  21. 21.💡 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) dimmer (c) the same
  22. 22.💡 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
  23. 23.💡 5 identical bulbs are joined in series with a 20 V battery (ideal wires). How many volts does each bulb get? =
  24. 24.💡 3 identical bulbs are joined in series with a 9 V battery (ideal wires). How many volts does each bulb get? =
  25. 25.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) series (b) parallel
  26. 26.💡 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) No (b) Yes
  27. 27.💡 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 2 glow? (a) No (b) Yes
  28. 28.True or false: “a break stops every bulb” is true of a parallel circuit. (a) False (b) True
  29. 29.💡 4 identical bulbs are joined in series with an 8 V battery (ideal wires). How many volts does each bulb get? =
  30. 30.True or false: “used in house wiring” is true of a series circuit. (a) False (b) True
  31. 31.💡 4 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =
  32. 32.🔗 Series or parallel circuit: “each gets the full volts”? (a) series (b) parallel
  33. 33.🔗 Series or parallel circuit: “many paths for current”? (a) parallel (b) series
  34. 34.💡 2 identical bulbs are joined in series with a 5 V battery (ideal wires). How many volts does each bulb get? =
  35. 35.True or false: “many paths for current” is true of a parallel circuit. (a) True (b) False
  36. 36.🔗 Series or parallel circuit: “a single current path”? (a) parallel (b) series
  37. 37.💡 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?
  38. 38.💡 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
  39. 39.💡 5 identical bulbs are joined in series with a 5 V battery (ideal wires). How many volts does each bulb get? =
  40. 40.True or false: “used in house wiring” is true of a parallel circuit. (a) False (b) True

Answer key

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

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