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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 453 · 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.True or false: “many paths for current” is true of a series circuit. (a) False (b) True
  2. 2.💡 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
  3. 3.💡 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
  4. 4.True or false: “a break stops every bulb” is true of a parallel circuit. (a) True (b) False
  5. 5.💡 3 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  6. 6.🔗 Series or parallel circuit: “a single current path”? (a) series (b) parallel
  7. 7.True or false: “each gets the full volts” is true of a parallel circuit. (a) True (b) False
  8. 8.🔗 Series or parallel circuit: “used in house wiring”? (a) parallel (b) series
  9. 9.💡 In a series circuit, how many paths does the current have? (a) one for each bulb (b) none (c) two (d) one
  10. 10.True or false: “one bulb out, all go out” is true of a series circuit. (a) True (b) False
  11. 11.🔗 Series or parallel circuit: “a break stops every bulb”? (a) series (b) parallel
  12. 12.True or false: “bulbs share the voltage” is true of a series circuit. (a) False (b) True
  13. 13.💡 4 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: “a single current path” is true of a series circuit. (a) True (b) False
  15. 15.🔗 Series or parallel circuit: “one out, the rest glow”? (a) parallel (b) series
  16. 16.💡 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 3 glow? (a) No (b) Yes
  17. 17.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) False (b) True
  18. 18.🔗 Series or parallel circuit: “each gets the full volts”? (a) series (b) parallel
  19. 19.🔗 Series or parallel circuit: “own switch for each bulb”? (a) parallel (b) series
  20. 20.💡 2 identical bulbs are joined in series with a 5 V battery (ideal wires). How many volts does each bulb get? =
  21. 21.True or false: “one out, the rest glow” is true of a series circuit. (a) True (b) False
  22. 22.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) series (b) parallel
  23. 23.💡 2 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  24. 24.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) parallel (b) series
  25. 25.💡 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. How many bulbs glow?
  26. 26.💡 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. How many bulbs glow?
  27. 27.💡 3 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  28. 28.💡 A battery lights 4 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.💡 5 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  30. 30.💡 4 identical bulbs are joined in series with a 10 V battery (ideal wires). How many volts does each bulb get? =
  31. 31.💡 2 identical bulbs are joined in series with a 2 V battery (ideal wires). How many volts does each bulb get? =
  32. 32.True or false: “each gets the full volts” is true of a series circuit. (a) True (b) False
  33. 33.True or false: “many paths for current” is true of a parallel circuit. (a) True (b) False
  34. 34.💡 3 identical bulbs are joined in series with a 9 V battery (ideal wires). How many volts does each bulb get? =
  35. 35.💡 5 identical bulbs are joined in series with a 5 V battery (ideal wires). How many volts does each bulb get? =
  36. 36.💡 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?
  37. 37.💡 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
  38. 38.True or false: “own switch for each bulb” is true of a parallel circuit. (a) False (b) True
  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.💡 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

Answer key

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

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