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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 677 · 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.💡 In a series circuit, how many paths does the current have? (a) none (b) one for each bulb (c) two (d) one
  2. 2.True or false: “a single current path” is true of a parallel circuit. (a) False (b) True
  3. 3.True or false: “a break stops every bulb” is true of a parallel circuit. (a) True (b) False
  4. 4.💡 3 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?
  5. 5.🔗 Series or parallel circuit: “each gets the full volts”? (a) series (b) parallel
  6. 6.💡 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
  7. 7.💡 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. How many bulbs glow?
  8. 8.True or false: “a single current path” is true of a series circuit. (a) False (b) True
  9. 9.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) in parallel (b) by Wi-Fi (c) not joined (d) in series
  10. 10.🔗 Series or parallel circuit: “a single current path”? (a) series (b) parallel
  11. 11.💡 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
  12. 12.True or false: “a break stops every bulb” is true of a series circuit. (a) True (b) False
  13. 13.True or false: “many paths for current” is true of a series circuit. (a) False (b) True
  14. 14.True or false: “bulbs share the voltage” is true of a series circuit. (a) True (b) False
  15. 15.💡 5 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?
  16. 16.💡 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?
  17. 17.💡 5 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  18. 18.💡 2 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 1 glow? (a) Yes (b) No
  19. 19.True or false: “each gets the full volts” is true of a series circuit. (a) False (b) True
  20. 20.💡 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. Does bulb 3 glow? (a) Yes (b) No
  21. 21.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) True (b) False
  22. 22.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) series (b) parallel
  23. 23.🔗 Series or parallel circuit: “a break stops every bulb”? (a) parallel (b) series
  24. 24.💡 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. Does bulb 4 glow? (a) Yes (b) No
  25. 25.🔗 Series or parallel circuit: “own switch for each bulb”? (a) parallel (b) series
  26. 26.💡 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?
  27. 27.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) parallel (b) series
  28. 28.True or false: “own switch for each bulb” is true of a series circuit. (a) True (b) False
  29. 29.💡 4 identical bulbs are joined in series with a 12 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) brighter (c) the same
  31. 31.💡 5 identical bulbs are joined in series with a 10 V battery (ideal wires). How many volts does each bulb get? =
  32. 32.True or false: “used in house wiring” is true of a series circuit. (a) True (b) False
  33. 33.💡 3 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  34. 34.🔗 Series or parallel circuit: “many paths for current”? (a) parallel (b) series
  35. 35.True or false: “one out, the rest glow” is true of a parallel circuit. (a) True (b) False
  36. 36.💡 4 identical bulbs are joined in series with an 8 V battery (ideal wires). How many volts does each bulb get? =
  37. 37.True or false: “many paths for current” is true of a parallel circuit. (a) True (b) False
  38. 38.💡 3 identical bulbs are joined in series with a 12 V battery (ideal wires). How many volts does each bulb get? =
  39. 39.💡 4 identical bulbs are joined in series with a 16 V battery (ideal wires). How many volts does each bulb get? =
  40. 40.💡 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) the same (c) dimmer

Answer key

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

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