← Series circuits lesson New set →

Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 175 · 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 battery and a closed switch on the main wire. All the bulbs are in place. 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) the same (b) brighter (c) dimmer
  3. 3.🔗 Series or parallel circuit: “own switch for each bulb”? (a) parallel (b) series
  4. 4.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) True (b) False
  5. 5.💡 In a series circuit, how many paths does the current have? (a) two (b) one for each bulb (c) none (d) one
  6. 6.💡 2 identical bulbs are joined in series with a 5 V battery (ideal wires). How many volts does each bulb get? =
  7. 7.💡 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?
  8. 8.💡 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?
  9. 9.💡 4 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  10. 10.💡 2 identical bulbs are joined in series with an 8 V battery (ideal wires). How many volts does each bulb get? =
  11. 11.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) series (b) parallel
  12. 12.🔗 Series or parallel circuit: “a break stops every bulb”? (a) parallel (b) series
  13. 13.🔗 Series or parallel circuit: “a single current path”? (a) series (b) parallel
  14. 14.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) by Wi-Fi (b) in series (c) in parallel (d) not joined
  15. 15.True or false: “used in house wiring” is true of a series circuit. (a) False (b) True
  16. 16.True or false: “own switch for each bulb” is true of a series circuit. (a) True (b) False
  17. 17.💡 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
  18. 18.💡 4 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =
  19. 19.True or false: “a break stops every bulb” is true of a series circuit. (a) True (b) False
  20. 20.💡 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
  21. 21.True or false: “one out, the rest glow” is true of a series circuit. (a) False (b) True
  22. 22.💡 4 identical bulbs are joined in series with a 10 V battery (ideal wires). How many volts does each bulb get? =
  23. 23.💡 2 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  24. 24.💡 3 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  25. 25.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) True (b) False
  26. 26.💡 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
  27. 27.🔗 Series or parallel circuit: “many paths for current”? (a) parallel (b) series
  28. 28.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) parallel (b) series
  29. 29.True or false: “one out, the rest glow” is true of a parallel circuit. (a) True (b) False
  30. 30.🔗 Series or parallel circuit: “used in house wiring”? (a) parallel (b) series
  31. 31.True or false: “a break stops every bulb” is true of a parallel circuit. (a) True (b) False
  32. 32.💡 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. How many bulbs glow?
  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.💡 3 identical bulbs are joined in series with a 12 V battery (ideal wires). How many volts does each bulb get? =
  35. 35.💡 5 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?
  36. 36.💡 4 identical bulbs are joined in series with a 16 V battery (ideal wires). How many volts does each bulb get? =
  37. 37.💡 3 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  38. 38.💡 2 identical bulbs are joined in series with a 2 V battery (ideal wires). How many volts does each bulb get? =
  39. 39.True or false: “each gets the full volts” is true of a series circuit. (a) True (b) False
  40. 40.True or false: “one bulb out, all go out” is true of a series circuit. (a) False (b) True

Answer key

  1. 2
  2. dimmer
  3. parallel
  4. False
  5. one
  6. 2.5
  7. 0
  8. 0
  9. 1.5
  10. 4
  11. series
  12. series
  13. series
  14. in series
  15. False
  16. False
  17. dimmer
  18. 1
  19. True
  20. dimmer
  21. False
  22. 2.5
  23. 1.5
  24. 1
  25. False
  26. dimmer
  27. parallel
  28. series
  29. True
  30. parallel
  31. False
  32. 0
  33. 0
  34. 4
  35. 5
  36. 4
  37. 2.5
  38. 1
  39. False
  40. True

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