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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 232 · 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) none (b) two (c) one for each bulb (d) one
  2. 2.💡 3 identical bulbs are joined in series with a 4.5 V battery (ideal wires). How many volts does each bulb get? =
  3. 3.🔗 Series or parallel circuit: “many paths for current”? (a) series (b) parallel
  4. 4.💡 3 identical bulbs are joined in series with a 9 V battery (ideal wires). How many volts does each bulb get? =
  5. 5.💡 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?
  6. 6.💡 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
  7. 7.True or false: “used in house wiring” is true of a series circuit. (a) False (b) True
  8. 8.💡 5 identical bulbs are joined in series with a 12.5 V battery (ideal wires). How many volts does each bulb get? =
  9. 9.💡 6 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?
  10. 10.🔗 Series or parallel circuit: “own switch for each bulb”? (a) series (b) parallel
  11. 11.💡 2 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =
  12. 12.🔗 Series or parallel circuit: “a single current path”? (a) series (b) parallel
  13. 13.🔗 Series or parallel circuit: “each gets the full volts”? (a) series (b) parallel
  14. 14.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) not joined (b) in series (c) in parallel (d) by Wi-Fi
  15. 15.True or false: “a single current path” is true of a parallel circuit. (a) True (b) False
  16. 16.True or false: “one out, the rest glow” is true of a series circuit. (a) False (b) True
  17. 17.💡 4 identical bulbs are joined in series with a 12 V battery (ideal wires). How many volts does each bulb get? =
  18. 18.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) False (b) True
  19. 19.💡 2 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  20. 20.True or false: “each gets the full volts” is true of a series circuit. (a) False (b) True
  21. 21.💡 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. Does bulb 3 glow? (a) Yes (b) No
  22. 22.💡 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?
  23. 23.💡 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. How many bulbs glow?
  24. 24.True or false: “bulbs share the voltage” is true of a series circuit. (a) False (b) True
  25. 25.True or false: “used in house wiring” is true of a parallel circuit. (a) False (b) True
  26. 26.🔗 Series or parallel circuit: “used in house wiring”? (a) series (b) parallel
  27. 27.True or false: “a break stops every bulb” is true of a series circuit. (a) False (b) True
  28. 28.True or false: “a break stops every bulb” is true of a parallel circuit. (a) True (b) False
  29. 29.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) series (b) parallel
  30. 30.💡 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?
  31. 31.💡 3 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.💡 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. Does bulb 1 glow? (a) No (b) Yes
  33. 33.💡 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. Does bulb 2 glow? (a) Yes (b) No
  34. 34.💡 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. Does bulb 3 glow? (a) Yes (b) No
  35. 35.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) series (b) parallel
  36. 36.True or false: “own switch for each bulb” is true of a parallel circuit. (a) False (b) True
  37. 37.💡 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) the same (c) dimmer
  38. 38.💡 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?
  39. 39.True or false: “one bulb out, all go out” is true of a series circuit. (a) False (b) True
  40. 40.True or false: “own switch for each bulb” is true of a series circuit. (a) False (b) True

Answer key

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

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