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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 471 · 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 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
  2. 2.True or false: “a single current path” is true of a series circuit. (a) False (b) True
  3. 3.🔗 Series or parallel circuit: “a single current path”? (a) parallel (b) series
  4. 4.💡 3 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?
  5. 5.True or false: “used in house wiring” is true of a parallel circuit. (a) True (b) False
  6. 6.💡 3 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  7. 7.💡 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?
  8. 8.💡 3 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  9. 9.💡 A battery lights 5 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
  10. 10.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) True (b) False
  11. 11.💡 In a series circuit, how many paths does the current have? (a) one for each bulb (b) none (c) two (d) one
  12. 12.True or false: “one bulb out, all go out” is true of a series circuit. (a) False (b) True
  13. 13.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) not joined (b) by Wi-Fi (c) in parallel (d) in series
  14. 14.💡 4 identical bulbs are joined in series with an 8 V battery (ideal wires). How many volts does each bulb get? =
  15. 15.True or false: “each gets the full volts” is true of a parallel circuit. (a) False (b) True
  16. 16.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) series (b) parallel
  17. 17.💡 2 identical bulbs are joined in series with an 8 V battery (ideal wires). How many volts does each bulb get? =
  18. 18.💡 3 identical bulbs are joined in series with a 9 V battery (ideal wires). How many volts does each bulb get? =
  19. 19.💡 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) the same (c) brighter
  20. 20.💡 5 identical bulbs are joined in series with a battery and a closed switch on the main wire. Bulb 4 is taken out of its holder. How many bulbs glow?
  21. 21.True or false: “one out, the rest glow” is true of a series circuit. (a) False (b) True
  22. 22.💡 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. Does bulb 5 glow? (a) Yes (b) No
  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 battery and a closed switch on the main wire. All the bulbs are in place. How many bulbs glow?
  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 5 V battery (ideal wires). How many volts does each bulb get? =
  27. 27.True or false: “many paths for current” is true of a parallel circuit. (a) False (b) True
  28. 28.🔗 Series or parallel circuit: “a break stops every bulb”? (a) series (b) parallel
  29. 29.💡 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
  30. 30.True or false: “each gets the full volts” is true of a series circuit. (a) False (b) True
  31. 31.💡 3 identical bulbs are joined in series with a 12 V battery (ideal wires). How many volts does each bulb get? =
  32. 32.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) True (b) False
  33. 33.True or false: “one out, the rest glow” is true of a parallel circuit. (a) True (b) False
  34. 34.💡 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
  35. 35.🔗 Series or parallel circuit: “one out, the rest glow”? (a) parallel (b) series
  36. 36.True or false: “bulbs share the voltage” is true of a series circuit. (a) False (b) True
  37. 37.💡 4 identical bulbs are joined in series with a 10 V battery (ideal wires). How many volts does each bulb get? =
  38. 38.🔗 Series or parallel circuit: “used in house wiring”? (a) series (b) parallel
  39. 39.💡 5 identical bulbs are joined in series with a 15 V battery (ideal wires). How many volts does each bulb get? =
  40. 40.True or false: “own switch for each bulb” is true of a series circuit. (a) False (b) True

Answer key

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

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