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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 434 · 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.💡 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
  2. 2.💡 2 identical bulbs are joined in series with a 5 V battery (ideal wires). How many volts does each bulb get? =
  3. 3.💡 4 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.True or false: “many paths for current” is true of a parallel circuit. (a) True (b) False
  5. 5.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) series (b) parallel
  6. 6.True or false: “own switch for each bulb” is true of a parallel circuit. (a) True (b) False
  7. 7.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) in series (b) by Wi-Fi (c) in parallel (d) not joined
  8. 8.🔗 Series or parallel circuit: “one out, the rest glow”? (a) series (b) parallel
  9. 9.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) series (b) parallel
  10. 10.💡 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. How many bulbs glow?
  11. 11.True or false: “a break stops every bulb” is true of a series circuit. (a) True (b) False
  12. 12.💡 In a series circuit, how many paths does the current have? (a) none (b) one (c) two (d) one for each bulb
  13. 13.💡 3 identical bulbs are joined in series with a 12 V battery (ideal wires). How many volts does each bulb get? =
  14. 14.True or false: “one bulb out, all go out” is true of a series circuit. (a) False (b) True
  15. 15.💡 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
  16. 16.🔗 Series or parallel circuit: “many paths for current”? (a) parallel (b) series
  17. 17.💡 4 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =
  18. 18.🔗 Series or parallel circuit: “each gets the full volts”? (a) parallel (b) series
  19. 19.🔗 Series or parallel circuit: “used in house wiring”? (a) parallel (b) series
  20. 20.💡 3 identical bulbs are joined in series with a 4.5 V battery (ideal wires). How many volts does each bulb get? =
  21. 21.🔗 Series or parallel circuit: “own switch for each bulb”? (a) series (b) parallel
  22. 22.💡 3 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  23. 23.💡 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) No (b) Yes
  24. 24.💡 4 identical bulbs are joined in series with a 12 V battery (ideal wires). How many volts does each bulb get? =
  25. 25.💡 2 identical bulbs are joined in series with a 2 V battery (ideal wires). How many volts does each bulb get? =
  26. 26.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) True (b) False
  27. 27.True or false: “a single current path” is true of a parallel circuit. (a) True (b) False
  28. 28.True or false: “bulbs share the voltage” is true of a series circuit. (a) False (b) True
  29. 29.🔗 Series or parallel circuit: “a single current path”? (a) parallel (b) series
  30. 30.True or false: “one out, the rest glow” is true of a series circuit. (a) True (b) False
  31. 31.🔗 Series or parallel circuit: “a break stops every bulb”? (a) series (b) parallel
  32. 32.💡 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
  33. 33.True or false: “own switch for each bulb” is true of a series circuit. (a) False (b) True
  34. 34.💡 5 identical bulbs are joined in series with a 15 V battery (ideal wires). How many volts does each bulb get? =
  35. 35.True or false: “a single current path” is true of a series circuit. (a) True (b) False
  36. 36.True or false: “each gets the full volts” is true of a parallel circuit. (a) False (b) True
  37. 37.💡 3 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  38. 38.💡 5 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  39. 39.💡 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) Yes (b) No
  40. 40.True or false: “many paths for current” is true of a series circuit. (a) False (b) True

Answer key

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

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