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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 788 · 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.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) in series (b) by Wi-Fi (c) in parallel (d) not joined
  3. 3.💡 4 identical bulbs are joined in series with a 12 V battery (ideal wires). How many volts does each bulb get? =
  4. 4.True or false: “a single current path” is true of a parallel circuit. (a) True (b) False
  5. 5.💡 5 identical bulbs are joined in series with a 15 V battery (ideal wires). How many volts does each bulb get? =
  6. 6.💡 3 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  7. 7.🔗 Series or parallel circuit: “a single current path”? (a) parallel (b) series
  8. 8.💡 5 identical bulbs are joined in series with a 5 V battery (ideal wires). How many volts does each bulb get? =
  9. 9.💡 In a series circuit, how many paths does the current have? (a) one for each bulb (b) one (c) none (d) two
  10. 10.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) False (b) True
  11. 11.🔗 Series or parallel circuit: “used in house wiring”? (a) series (b) parallel
  12. 12.True or false: “used in house wiring” is true of a series circuit. (a) False (b) True
  13. 13.True or false: “used in house wiring” is true of a parallel circuit. (a) True (b) False
  14. 14.🔗 Series or parallel circuit: “one out, the rest glow”? (a) parallel (b) series
  15. 15.💡 2 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  16. 16.💡 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
  17. 17.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) parallel (b) series
  18. 18.True or false: “a single current path” is true of a series circuit. (a) False (b) True
  19. 19.🔗 Series or parallel circuit: “own switch for each bulb”? (a) parallel (b) series
  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) brighter (b) dimmer (c) the same
  21. 21.💡 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?
  22. 22.True or false: “many paths for current” is true of a parallel circuit. (a) True (b) False
  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 12 V battery (ideal wires). How many volts does each bulb get? =
  25. 25.True or false: “bulbs share the voltage” is true of a series circuit. (a) True (b) False
  26. 26.True or false: “one out, the rest glow” is true of a series circuit. (a) True (b) False
  27. 27.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) parallel (b) series
  28. 28.💡 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
  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. How many bulbs glow?
  30. 30.💡 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) Yes (b) No
  31. 31.🔗 Series or parallel circuit: “each gets the full volts”? (a) series (b) parallel
  32. 32.💡 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
  33. 33.🔗 Series or parallel circuit: “many paths for current”? (a) series (b) parallel
  34. 34.💡 5 identical bulbs are joined in series with a 10 V battery (ideal wires). How many volts does each bulb get? =
  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. How many bulbs glow?
  36. 36.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) False (b) True
  37. 37.True or false: “a break stops every bulb” is true of a parallel circuit. (a) False (b) True
  38. 38.💡 3 identical bulbs are joined in series with a 4.5 V battery (ideal wires). How many volts does each bulb get? =
  39. 39.True or false: “many paths for current” is true of a series circuit. (a) True (b) False
  40. 40.💡 4 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =

Answer key

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

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