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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 286 · 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.💡 6 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?
  2. 2.💡 3 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  3. 3.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) series (b) parallel
  4. 4.💡 In a series circuit, how many paths does the current have? (a) one for each bulb (b) two (c) none (d) one
  5. 5.🔗 Series or parallel circuit: “a single current path”? (a) parallel (b) series
  6. 6.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) False (b) True
  7. 7.🔗 Series or parallel circuit: “used in house wiring”? (a) parallel (b) series
  8. 8.True or false: “own switch for each bulb” is true of a parallel circuit. (a) False (b) True
  9. 9.🔗 Series or parallel circuit: “each gets the full volts”? (a) parallel (b) series
  10. 10.True or false: “each gets the full volts” is true of a parallel circuit. (a) True (b) False
  11. 11.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) in series (b) not joined (c) by Wi-Fi (d) in parallel
  12. 12.💡 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) brighter (c) dimmer
  13. 13.🔗 Series or parallel circuit: “own switch for each bulb”? (a) series (b) parallel
  14. 14.💡 A battery lights 3 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
  15. 15.💡 3 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  16. 16.🔗 Series or parallel circuit: “a break stops every bulb”? (a) parallel (b) series
  17. 17.💡 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) brighter (c) dimmer
  18. 18.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) True (b) False
  19. 19.💡 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?
  20. 20.💡 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
  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.True or false: “one bulb out, all go out” is true of a series circuit. (a) True (b) False
  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.True or false: “many paths for current” is true of a series circuit. (a) False (b) True
  25. 25.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) parallel (b) series
  26. 26.💡 5 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  27. 27.💡 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?
  28. 28.🔗 Series or parallel circuit: “one out, the rest glow”? (a) series (b) parallel
  29. 29.True or false: “one out, the rest glow” is true of a parallel circuit. (a) True (b) False
  30. 30.💡 3 identical bulbs are joined in series with a 12 V battery (ideal wires). How many volts does each bulb get? =
  31. 31.🔗 Series or parallel circuit: “many paths for current”? (a) parallel (b) series
  32. 32.💡 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
  33. 33.True or false: “used in house wiring” is true of a parallel circuit. (a) False (b) True
  34. 34.💡 3 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  35. 35.💡 4 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?
  36. 36.True or false: “bulbs share the voltage” is true of a series circuit. (a) False (b) True
  37. 37.💡 4 identical bulbs are joined in series with a 16 V battery (ideal wires). How many volts does each bulb get? =
  38. 38.True or false: “a break stops every bulb” is true of a series circuit. (a) False (b) True
  39. 39.💡 2 identical bulbs are joined in series with a 2 V battery (ideal wires). How many volts does each bulb get? =
  40. 40.💡 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 2 glow? (a) No (b) Yes

Answer key

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

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