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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 818 · 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.💡 In a series circuit, how many paths does the current have? (a) two (b) none (c) one (d) one for each bulb
  2. 2.💡 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?
  3. 3.💡 2 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  4. 4.True or false: “bulbs share the voltage” is true of a series circuit. (a) False (b) True
  5. 5.💡 4 identical bulbs are joined in series with a 16 V battery (ideal wires). How many volts does each bulb get? =
  6. 6.💡 2 identical bulbs are joined in series with an 8 V battery (ideal wires). How many volts does each bulb get? =
  7. 7.True or false: “used in house wiring” is true of a series circuit. (a) True (b) False
  8. 8.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) True (b) False
  9. 9.True or false: “each gets the full volts” is true of a series circuit. (a) False (b) True
  10. 10.💡 3 identical bulbs are joined in series with a 9 V battery (ideal wires). How many volts does each bulb get? =
  11. 11.🔗 Series or parallel circuit: “each gets the full volts”? (a) parallel (b) series
  12. 12.💡 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
  13. 13.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) False (b) True
  14. 14.💡 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?
  15. 15.True or false: “one out, the rest glow” is true of a parallel circuit. (a) False (b) True
  16. 16.💡 5 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  17. 17.💡 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?
  18. 18.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) parallel (b) series
  19. 19.True or false: “one bulb out, all go out” is true of a series circuit. (a) False (b) True
  20. 20.💡 4 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =
  21. 21.💡 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?
  22. 22.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) parallel (b) series
  23. 23.💡 4 identical bulbs are joined in series with a 12 V battery (ideal wires). How many volts does each bulb get? =
  24. 24.🔗 Series or parallel circuit: “many paths for current”? (a) series (b) parallel
  25. 25.💡 5 identical bulbs are joined in series with a battery and a closed switch on the main wire. Bulb 5 is taken out of its holder. How many bulbs glow?
  26. 26.True or false: “many paths for current” is true of a parallel circuit. (a) True (b) False
  27. 27.🔗 Series or parallel circuit: “one out, the rest glow”? (a) series (b) parallel
  28. 28.💡 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
  29. 29.💡 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
  30. 30.🔗 Series or parallel circuit: “a break stops every bulb”? (a) series (b) parallel
  31. 31.🔗 Series or parallel circuit: “own switch for each bulb”? (a) parallel (b) series
  32. 32.True or false: “each gets the full volts” is true of a parallel circuit. (a) True (b) False
  33. 33.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) not joined (b) in parallel (c) by Wi-Fi (d) in series
  34. 34.💡 2 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =
  35. 35.True or false: “used in house wiring” is true of a parallel circuit. (a) False (b) True
  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: “own switch for each bulb” is true of a series circuit. (a) False (b) True
  38. 38.💡 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 3 glow? (a) No (b) Yes
  39. 39.🔗 Series or parallel circuit: “used in house wiring”? (a) series (b) parallel
  40. 40.True or false: “own switch for each bulb” is true of a parallel circuit. (a) True (b) False

Answer key

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

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