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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 723 · 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.🔗 Series or parallel circuit: “many paths for current”? (a) series (b) parallel
  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) dimmer (c) brighter
  3. 3.💡 5 identical bulbs are joined in series with a 15 V battery (ideal wires). How many volts does each bulb get? =
  4. 4.💡 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
  5. 5.💡 5 identical bulbs are joined in series with a 10 V battery (ideal wires). How many volts does each bulb get? =
  6. 6.🔗 Series or parallel circuit: “each gets the full volts”? (a) series (b) parallel
  7. 7.💡 5 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  8. 8.💡 5 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 2 glow? (a) No (b) Yes
  9. 9.True or false: “many paths for current” is true of a series circuit. (a) False (b) True
  10. 10.💡 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?
  11. 11.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) False (b) True
  12. 12.🔗 Series or parallel circuit: “one out, the rest glow”? (a) series (b) parallel
  13. 13.💡 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
  14. 14.💡 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
  15. 15.💡 4 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  16. 16.True or false: “many paths for current” is true of a parallel circuit. (a) True (b) False
  17. 17.🔗 Series or parallel circuit: “a break stops every bulb”? (a) parallel (b) series
  18. 18.🔗 Series or parallel circuit: “a single current path”? (a) series (b) parallel
  19. 19.💡 In a series circuit, how many paths does the current have? (a) one for each bulb (b) none (c) two (d) one
  20. 20.True or false: “own switch for each bulb” is true of a series circuit. (a) False (b) True
  21. 21.True or false: “own switch for each bulb” is true of a parallel circuit. (a) True (b) False
  22. 22.True or false: “a single current path” is true of a series circuit. (a) False (b) True
  23. 23.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) parallel (b) series
  24. 24.💡 2 identical bulbs are joined in series with a 5 V battery (ideal wires). How many volts does each bulb get? =
  25. 25.True or false: “each gets the full volts” is true of a series circuit. (a) False (b) True
  26. 26.🔗 Series or parallel circuit: “own switch for each bulb”? (a) parallel (b) series
  27. 27.💡 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?
  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) brighter (b) the same (c) dimmer
  29. 29.True or false: “used in house wiring” is true of a series circuit. (a) False (b) True
  30. 30.True or false: “used in house wiring” is true of a parallel circuit. (a) True (b) False
  31. 31.💡 5 identical bulbs are joined in series with a 12.5 V battery (ideal wires). How many volts does each bulb get? =
  32. 32.💡 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. Does bulb 2 glow? (a) Yes (b) No
  33. 33.💡 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 1 glow? (a) No (b) Yes
  34. 34.💡 5 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 4 glow? (a) No (b) Yes
  35. 35.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) False (b) True
  36. 36.True or false: “a break stops every bulb” is true of a parallel circuit. (a) True (b) False
  37. 37.💡 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
  38. 38.💡 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 2 glow? (a) No (b) Yes
  39. 39.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) series (b) parallel
  40. 40.🔗 Series or parallel circuit: “used in house wiring”? (a) series (b) parallel

Answer key

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

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