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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 623 · 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.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) in series (b) in parallel (c) by Wi-Fi (d) not joined
  2. 2.🔗 Series or parallel circuit: “one out, the rest glow”? (a) parallel (b) series
  3. 3.💡 3 identical bulbs are joined in series with a 4.5 V battery (ideal wires). How many volts does each bulb get? =
  4. 4.True or false: “each gets the full volts” is true of a parallel circuit. (a) False (b) True
  5. 5.💡 3 identical bulbs are joined in series with a 9 V battery (ideal wires). How many volts does each bulb get? =
  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) brighter (b) the same (c) dimmer
  7. 7.🔗 Series or parallel circuit: “a break stops every bulb”? (a) series (b) parallel
  8. 8.True or false: “a single current path” is true of a series circuit. (a) True (b) False
  9. 9.💡 3 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  10. 10.💡 5 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  11. 11.True or false: “one bulb out, all go out” is true of a series circuit. (a) False (b) True
  12. 12.🔗 Series or parallel circuit: “a single current path”? (a) parallel (b) series
  13. 13.💡 4 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?
  14. 14.💡 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
  15. 15.💡 In a series circuit, how many paths does the current have? (a) one for each bulb (b) two (c) none (d) one
  16. 16.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) parallel (b) series
  17. 17.💡 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?
  18. 18.True or false: “many paths for current” is true of a parallel circuit. (a) False (b) True
  19. 19.💡 5 identical bulbs are joined in series with a 20 V battery (ideal wires). How many volts does each bulb get? =
  20. 20.💡 A battery lights 2 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
  21. 21.True or false: “bulbs share the voltage” is true of a series circuit. (a) False (b) True
  22. 22.🔗 Series or parallel circuit: “used in house wiring”? (a) series (b) parallel
  23. 23.True or false: “a break stops every bulb” is true of a series circuit. (a) False (b) True
  24. 24.True or false: “own switch for each bulb” is true of a series circuit. (a) False (b) True
  25. 25.💡 4 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =
  26. 26.True or false: “own switch for each bulb” is true of a parallel circuit. (a) False (b) True
  27. 27.True or false: “many paths for current” is true of a series circuit. (a) True (b) False
  28. 28.True or false: “each gets the full volts” is true of a series circuit. (a) False (b) True
  29. 29.💡 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?
  30. 30.True or false: “used in house wiring” is true of a parallel circuit. (a) True (b) False
  31. 31.🔗 Series or parallel circuit: “each gets the full volts”? (a) parallel (b) series
  32. 32.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) False (b) True
  33. 33.🔗 Series or parallel circuit: “many paths for current”? (a) parallel (b) series
  34. 34.💡 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) dimmer (c) the same
  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. How many bulbs glow?
  36. 36.💡 6 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. Does bulb 1 glow? (a) No (b) Yes
  37. 37.💡 2 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  38. 38.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) parallel (b) series
  39. 39.🔗 Series or parallel circuit: “own switch for each bulb”? (a) parallel (b) series
  40. 40.True or false: “one out, the rest glow” is true of a parallel circuit. (a) False (b) True

Answer key

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

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