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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 877 · 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 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
  2. 2.💡 5 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?
  3. 3.🔗 Series or parallel circuit: “many paths for current”? (a) parallel (b) series
  4. 4.💡 3 identical bulbs are joined in series with a 9 V battery (ideal wires). How many volts does each bulb get? =
  5. 5.💡 2 identical bulbs are joined in series with a 2 V battery (ideal wires). How many volts does each bulb get? =
  6. 6.🔗 Series or parallel circuit: “a single current path”? (a) parallel (b) series
  7. 7.🔗 Series or parallel circuit: “one out, the rest glow”? (a) parallel (b) series
  8. 8.💡 3 identical bulbs are joined in series with a 4.5 V battery (ideal wires). How many volts does each bulb get? =
  9. 9.True or false: “each gets the full volts” is true of a series circuit. (a) True (b) False
  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: “bulbs share the voltage” is true of a series circuit. (a) True (b) False
  12. 12.True or false: “one out, the rest glow” is true of a parallel circuit. (a) True (b) False
  13. 13.💡 In a series circuit, how many paths does the current have? (a) none (b) one (c) one for each bulb (d) two
  14. 14.True or false: “a single current path” is true of a parallel circuit. (a) True (b) False
  15. 15.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) False (b) True
  16. 16.🔗 Series or parallel circuit: “used in house wiring”? (a) series (b) parallel
  17. 17.💡 A battery lights 3 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
  18. 18.💡 6 identical bulbs are joined in series with a battery and a closed switch on the main wire. Bulb 6 is taken out of its holder. Does bulb 3 glow? (a) No (b) Yes
  19. 19.🔗 Series or parallel circuit: “a break stops every bulb”? (a) parallel (b) series
  20. 20.🔗 Series or parallel circuit: “each gets the full volts”? (a) parallel (b) series
  21. 21.True or false: “many paths for current” is true of a parallel circuit. (a) False (b) True
  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) brighter (b) the same (c) dimmer
  23. 23.💡 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?
  24. 24.💡 4 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?
  25. 25.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) False (b) True
  26. 26.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) by Wi-Fi (b) in series (c) in parallel (d) not joined
  27. 27.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) parallel (b) series
  28. 28.True or false: “one out, the rest glow” is true of a series circuit. (a) True (b) False
  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. Does bulb 3 glow? (a) Yes (b) No
  30. 30.💡 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
  31. 31.💡 5 identical bulbs are joined in series with a 5 V battery (ideal wires). How many volts does each bulb get? =
  32. 32.💡 6 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.💡 3 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  34. 34.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) series (b) parallel
  35. 35.True or false: “many paths for current” is true of a series circuit. (a) True (b) False
  36. 36.💡 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. How many bulbs glow?
  37. 37.True or false: “one bulb out, all go out” is true of a series circuit. (a) True (b) False
  38. 38.💡 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
  39. 39.💡 5 identical bulbs are joined in series with a 20 V battery (ideal wires). How many volts does each bulb get? =
  40. 40.💡 2 identical bulbs are joined in series with a 5 V battery (ideal wires). How many volts does each bulb get? =

Answer key

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

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