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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 225 · 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: “used in house wiring” is true of a series circuit. (a) True (b) False
  2. 2.💡 5 identical bulbs are joined in series with a 12.5 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. All the bulbs are in place. How many bulbs glow?
  4. 4.💡 4 identical bulbs are joined in series with a 12 V battery (ideal wires). How many volts does each bulb get? =
  5. 5.🔗 Series or parallel circuit: “one out, the rest glow”? (a) series (b) parallel
  6. 6.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) parallel (b) series
  7. 7.🔗 Series or parallel circuit: “many paths for current”? (a) parallel (b) series
  8. 8.True or false: “a single current path” is true of a parallel circuit. (a) True (b) False
  9. 9.True or false: “one out, the rest glow” is true of a series circuit. (a) True (b) False
  10. 10.💡 In a series circuit, how many paths does the current have? (a) one (b) two (c) one for each bulb (d) none
  11. 11.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) in series (b) not joined (c) in parallel (d) by Wi-Fi
  12. 12.🔗 Series or parallel circuit: “used in house wiring”? (a) series (b) parallel
  13. 13.🔗 Series or parallel circuit: “a single current path”? (a) parallel (b) series
  14. 14.💡 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) the same (c) dimmer
  15. 15.💡 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?
  16. 16.🔗 Series or parallel circuit: “each gets the full volts”? (a) parallel (b) series
  17. 17.💡 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?
  18. 18.💡 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) No (b) Yes
  19. 19.💡 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. How many bulbs glow?
  20. 20.💡 2 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  21. 21.True or false: “used in house wiring” is true of a parallel circuit. (a) True (b) False
  22. 22.💡 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?
  23. 23.True or false: “one out, the rest glow” is true of a parallel circuit. (a) False (b) True
  24. 24.True or false: “one bulb out, all go out” is true of a series circuit. (a) False (b) True
  25. 25.True or false: “bulbs share the voltage” is true of a series circuit. (a) True (b) False
  26. 26.💡 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
  27. 27.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) series (b) parallel
  28. 28.🔗 Series or parallel circuit: “own switch for each bulb”? (a) parallel (b) series
  29. 29.🔗 Series or parallel circuit: “a break stops every bulb”? (a) series (b) parallel
  30. 30.True or false: “a single current path” is true of a series circuit. (a) True (b) False
  31. 31.💡 4 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
  32. 32.💡 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?
  33. 33.💡 5 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  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 3 V battery (ideal wires). How many volts does each bulb get? =
  36. 36.💡 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?
  37. 37.💡 2 identical bulbs are joined in series with a 5 V battery (ideal wires). How many volts does each bulb get? =
  38. 38.💡 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
  39. 39.💡 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) Yes (b) No
  40. 40.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) True (b) False

Answer key

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

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