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Electronics Worksheet: Series Circuits

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

Answer key

  1. True
  2. True
  3. parallel
  4. False
  5. dimmer
  6. in series
  7. one
  8. parallel
  9. parallel
  10. 3
  11. series
  12. 1.5
  13. False
  14. 3
  15. series
  16. 2
  17. parallel
  18. True
  19. series
  20. parallel
  21. 2.5
  22. 5
  23. False
  24. dimmer
  25. dimmer
  26. False
  27. True
  28. series
  29. True
  30. 4
  31. False
  32. True
  33. dimmer
  34. 2
  35. False
  36. Yes
  37. 0
  38. 2.5
  39. 0
  40. one

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