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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 130 · 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.💡 5 identical bulbs are joined in series with a 15 V battery (ideal wires). How many volts does each bulb get? =
  2. 2.💡 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?
  3. 3.True or false: “each gets the full volts” is true of a parallel circuit. (a) False (b) True
  4. 4.💡 3 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  5. 5.💡 In a series circuit, how many paths does the current have? (a) one for each bulb (b) two (c) one (d) none
  6. 6.🔗 Series or parallel circuit: “a break stops every bulb”? (a) series (b) parallel
  7. 7.🔗 Series or parallel circuit: “a single current path”? (a) parallel (b) series
  8. 8.🔗 Series or parallel circuit: “many paths for current”? (a) series (b) parallel
  9. 9.💡 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
  10. 10.🔗 Series or parallel circuit: “each gets the full volts”? (a) parallel (b) series
  11. 11.True or false: “bulbs share the voltage” is true of a series circuit. (a) True (b) False
  12. 12.💡 3 identical bulbs are joined in series with a 12 V battery (ideal wires). How many volts does each bulb get? =
  13. 13.True or false: “a break stops every bulb” is true of a series circuit. (a) True (b) False
  14. 14.True or false: “a single current path” is true of a parallel circuit. (a) True (b) False
  15. 15.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) series (b) parallel
  16. 16.💡 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
  17. 17.💡 4 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
  18. 18.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) False (b) True
  19. 19.🔗 Series or parallel circuit: “used in house wiring”? (a) series (b) parallel
  20. 20.💡 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) dimmer (c) brighter
  21. 21.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) False (b) True
  22. 22.🔗 Series or parallel circuit: “one out, the rest glow”? (a) series (b) parallel
  23. 23.💡 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?
  24. 24.🔗 Series or parallel circuit: “own switch for each bulb”? (a) parallel (b) series
  25. 25.True or false: “used in house wiring” is true of a parallel circuit. (a) True (b) False
  26. 26.💡 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) dimmer (c) brighter
  27. 27.💡 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) Yes (b) No
  28. 28.💡 4 identical bulbs are joined in series with a 10 V battery (ideal wires). How many volts does each bulb get? =
  29. 29.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) parallel (b) series
  30. 30.💡 5 identical bulbs are joined in series with a 12.5 V battery (ideal wires). How many volts does each bulb get? =
  31. 31.True or false: “used in house wiring” is true of a series circuit. (a) True (b) False
  32. 32.💡 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?
  33. 33.💡 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?
  34. 34.💡 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) dimmer (c) the same
  35. 35.💡 6 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 6 glow? (a) No (b) Yes
  36. 36.True or false: “many paths for current” is true of a parallel circuit. (a) True (b) False
  37. 37.💡 4 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =
  38. 38.💡 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?
  39. 39.💡 5 identical bulbs are joined in series with a 5 V battery (ideal wires). How many volts does each bulb get? =
  40. 40.💡 2 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =

Answer key

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

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