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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 922 · 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: “own switch for each bulb” is true of a parallel circuit. (a) False (b) True
  2. 2.True or false: “bulbs share the voltage” is true of a series circuit. (a) False (b) True
  3. 3.💡 5 identical bulbs are joined in series with a 12.5 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) not joined (b) by Wi-Fi (c) in series (d) in parallel
  5. 5.🔗 Series or parallel circuit: “used in house wiring”? (a) series (b) parallel
  6. 6.🔗 Series or parallel circuit: “each gets the full volts”? (a) parallel (b) series
  7. 7.💡 3 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 1 glow? (a) Yes (b) No
  8. 8.💡 In a series circuit, how many paths does the current have? (a) one (b) two (c) one for each bulb (d) none
  9. 9.True or false: “one out, the rest glow” is true of a series circuit. (a) True (b) False
  10. 10.🔗 Series or parallel circuit: “one out, the rest glow”? (a) series (b) parallel
  11. 11.🔗 Series or parallel circuit: “own switch for each bulb”? (a) series (b) parallel
  12. 12.💡 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) dimmer (c) brighter
  13. 13.💡 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
  14. 14.💡 2 identical bulbs are joined in series with a 2 V battery (ideal wires). How many volts does each bulb get? =
  15. 15.True or false: “many paths for current” is true of a parallel circuit. (a) True (b) False
  16. 16.💡 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) brighter (c) the same
  17. 17.True or false: “each gets the full volts” is true of a parallel circuit. (a) False (b) True
  18. 18.💡 5 identical bulbs are joined in series with a 5 V battery (ideal wires). How many volts does each bulb get? =
  19. 19.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) parallel (b) series
  20. 20.💡 2 identical bulbs are joined in series with an 8 V battery (ideal wires). How many volts does each bulb get? =
  21. 21.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) True (b) False
  22. 22.💡 A battery lights 5 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
  23. 23.🔗 Series or parallel circuit: “a break stops every bulb”? (a) parallel (b) series
  24. 24.💡 3 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
  25. 25.True or false: “used in house wiring” is true of a parallel circuit. (a) False (b) True
  26. 26.💡 4 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  27. 27.💡 6 identical bulbs are joined in series with a battery and a closed switch on the main wire. Bulb 5 is taken out of its holder. How many bulbs glow?
  28. 28.True or false: “each gets the full volts” is true of a series circuit. (a) True (b) False
  29. 29.💡 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?
  30. 30.💡 5 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  31. 31.🔗 Series or parallel circuit: “many paths for current”? (a) parallel (b) series
  32. 32.💡 4 identical bulbs are joined in series with a 10 V battery (ideal wires). How many volts does each bulb get? =
  33. 33.💡 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
  34. 34.🔗 Series or parallel circuit: “a single current path”? (a) parallel (b) series
  35. 35.💡 2 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
  36. 36.💡 3 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
  37. 37.💡 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
  38. 38.True or false: “a single current path” is true of a parallel circuit. (a) True (b) False
  39. 39.True or false: “a break stops every bulb” is true of a series circuit. (a) True (b) False
  40. 40.True or false: “a break stops every bulb” is true of a parallel circuit. (a) True (b) False

Answer key

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

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