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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 77 · 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: “one bulb out, all go out” is true of a series circuit. (a) False (b) True
  2. 2.💡 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
  3. 3.💡 4 identical bulbs are joined in series with an 8 V battery (ideal wires). How many volts does each bulb get? =
  4. 4.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) series (b) parallel
  5. 5.💡 2 identical bulbs are joined in series with a 2 V battery (ideal wires). How many volts does each bulb get? =
  6. 6.🔗 Series or parallel circuit: “many paths for current”? (a) parallel (b) series
  7. 7.🔗 Series or parallel circuit: “a break stops every bulb”? (a) parallel (b) series
  8. 8.💡 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. How many bulbs glow?
  9. 9.💡 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
  10. 10.💡 In a series circuit, how many paths does the current have? (a) two (b) one (c) one for each bulb (d) none
  11. 11.True or false: “used in house wiring” is true of a series circuit. (a) True (b) False
  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.💡 3 identical bulbs are joined in series with a 9 V battery (ideal wires). How many volts does each bulb get? =
  14. 14.💡 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?
  15. 15.🔗 Series or parallel circuit: “a single current path”? (a) parallel (b) series
  16. 16.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) False (b) True
  17. 17.🔗 Series or parallel circuit: “one out, the rest glow”? (a) parallel (b) series
  18. 18.True or false: “used in house wiring” is true of a parallel circuit. (a) False (b) True
  19. 19.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) parallel (b) series
  20. 20.💡 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
  21. 21.🔗 Series or parallel circuit: “own switch for each bulb”? (a) series (b) parallel
  22. 22.True or false: “a break stops every bulb” is true of a parallel circuit. (a) True (b) False
  23. 23.💡 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. Does bulb 2 glow? (a) Yes (b) No
  24. 24.💡 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) dimmer (c) the same
  25. 25.True or false: “a break stops every bulb” is true of a series circuit. (a) True (b) False
  26. 26.🔗 Series or parallel circuit: “each gets the full volts”? (a) parallel (b) series
  27. 27.💡 5 identical bulbs are joined in series with a 5 V battery (ideal wires). How many volts does each bulb get? =
  28. 28.True or false: “one out, the rest glow” is true of a parallel circuit. (a) True (b) False
  29. 29.💡 5 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  30. 30.True or false: “each gets the full volts” is true of a series circuit. (a) False (b) True
  31. 31.💡 6 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
  32. 32.💡 5 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?
  33. 33.💡 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?
  34. 34.💡 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. Does bulb 6 glow? (a) No (b) Yes
  35. 35.💡 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?
  36. 36.💡 3 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
  37. 37.💡 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?
  38. 38.True or false: “a single current path” is true of a parallel circuit. (a) False (b) True
  39. 39.True or false: “many paths for current” is true of a parallel circuit. (a) False (b) True
  40. 40.💡 4 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =

Answer key

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

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