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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 91 · 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.

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  1. 1.💡 4 identical bulbs are joined in series with a 12 V battery (ideal wires). How many volts does each bulb get? =
  2. 2.💡 5 identical bulbs are joined in series with a 20 V battery (ideal wires). How many volts does each bulb get? =
  3. 3.💡 5 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?
  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) the same (b) dimmer (c) brighter
  5. 5.💡 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) dimmer (c) brighter
  6. 6.🔗 Series or parallel circuit: “one out, the rest glow”? (a) series (b) parallel
  7. 7.🔗 Series or parallel circuit: “many paths for current”? (a) parallel (b) series
  8. 8.💡 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
  9. 9.💡 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. Does bulb 2 glow? (a) Yes (b) No
  10. 10.True or false: “a break stops every bulb” is true of a series circuit. (a) False (b) True
  11. 11.🔗 Series or parallel circuit: “a single current path”? (a) series (b) parallel
  12. 12.💡 In a series circuit, how many paths does the current have? (a) two (b) none (c) one for each bulb (d) one
  13. 13.True or false: “own switch for each bulb” is true of a series circuit. (a) False (b) True
  14. 14.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) parallel (b) series
  15. 15.True or false: “used in house wiring” is true of a series circuit. (a) True (b) False
  16. 16.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) True (b) False
  17. 17.💡 2 identical bulbs are joined in series with a 5 V battery (ideal wires). How many volts does each bulb get? =
  18. 18.True or false: “own switch for each bulb” is true of a parallel circuit. (a) False (b) True
  19. 19.💡 3 identical bulbs are joined in series with a battery and a closed switch on the main wire. All the bulbs are in place. Does bulb 3 glow? (a) Yes (b) No
  20. 20.💡 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?
  21. 21.💡 3 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  22. 22.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) series (b) parallel
  23. 23.💡 4 identical bulbs are joined in series with a battery and a closed switch on the main wire. All the bulbs are in place. Does bulb 3 glow? (a) No (b) Yes
  24. 24.💡 2 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: “used in house wiring” is true of a parallel circuit. (a) False (b) True
  26. 26.True or false: “one bulb out, all go out” is true of a series circuit. (a) True (b) False
  27. 27.🔗 Series or parallel circuit: “each gets the full volts”? (a) series (b) parallel
  28. 28.💡 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
  29. 29.💡 2 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =
  30. 30.💡 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
  31. 31.True or false: “bulbs share the voltage” is true of a series circuit. (a) True (b) False
  32. 32.True or false: “one out, the rest glow” is true of a series circuit. (a) True (b) False
  33. 33.💡 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?
  34. 34.🔗 Series or parallel circuit: “a break stops every bulb”? (a) series (b) parallel
  35. 35.💡 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
  36. 36.True or false: “a single current path” is true of a parallel circuit. (a) False (b) True
  37. 37.💡 4 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =
  38. 38.💡 4 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  39. 39.🔗 Series or parallel circuit: “own switch for each bulb”? (a) parallel (b) series
  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. 3
  2. 4
  3. 0
  4. dimmer
  5. dimmer
  6. parallel
  7. parallel
  8. in series
  9. No
  10. True
  11. series
  12. one
  13. False
  14. series
  15. False
  16. False
  17. 2.5
  18. True
  19. Yes
  20. 0
  21. 2
  22. series
  23. Yes
  24. 1.5
  25. True
  26. True
  27. parallel
  28. dimmer
  29. 2
  30. dimmer
  31. True
  32. False
  33. 0
  34. series
  35. No
  36. False
  37. 1
  38. 1.5
  39. parallel
  40. 3

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