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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 230 · 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.💡 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) Yes (b) No
  2. 2.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) in parallel (b) not joined (c) in series (d) by Wi-Fi
  3. 3.💡 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?
  4. 4.True or false: “used in house wiring” is true of a parallel circuit. (a) False (b) True
  5. 5.True or false: “one out, the rest glow” is true of a parallel circuit. (a) True (b) False
  6. 6.True or false: “bulbs share the voltage” is true of a series circuit. (a) False (b) True
  7. 7.True or false: “a break stops every bulb” is true of a parallel circuit. (a) False (b) True
  8. 8.True or false: “one bulb out, all go out” is true of a series circuit. (a) False (b) True
  9. 9.🔗 Series or parallel circuit: “own switch for each bulb”? (a) parallel (b) series
  10. 10.🔗 Series or parallel circuit: “each gets the full volts”? (a) parallel (b) series
  11. 11.🔗 Series or parallel circuit: “used in house wiring”? (a) series (b) parallel
  12. 12.True or false: “a single current path” is true of a series circuit. (a) True (b) False
  13. 13.True or false: “many paths for current” is true of a series circuit. (a) False (b) True
  14. 14.🔗 Series or parallel circuit: “many paths for current”? (a) series (b) parallel
  15. 15.💡 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
  16. 16.💡 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 4 glow? (a) No (b) Yes
  17. 17.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) parallel (b) series
  18. 18.💡 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 1 glow? (a) No (b) Yes
  19. 19.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) parallel (b) series
  20. 20.True or false: “each gets the full volts” is true of a series circuit. (a) True (b) False
  21. 21.💡 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?
  22. 22.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) True (b) False
  23. 23.💡 In a series circuit, how many paths does the current have? (a) one (b) one for each bulb (c) two (d) none
  24. 24.💡 5 identical bulbs are joined in series with a 5 V battery (ideal wires). How many volts does each bulb get? =
  25. 25.💡 4 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =
  26. 26.💡 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?
  27. 27.💡 6 identical bulbs are joined in series with a battery and a closed switch on the main wire. Bulb 6 is taken out of its holder. How many bulbs glow?
  28. 28.True or false: “used in house wiring” is true of a series circuit. (a) True (b) False
  29. 29.💡 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
  30. 30.💡 4 identical bulbs are joined in series with a 10 V battery (ideal wires). How many volts does each bulb get? =
  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. How many bulbs glow?
  32. 32.💡 4 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  33. 33.💡 2 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =
  34. 34.💡 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. Does bulb 3 glow? (a) Yes (b) No
  35. 35.💡 3 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  36. 36.🔗 Series or parallel circuit: “one out, the rest glow”? (a) series (b) parallel
  37. 37.🔗 Series or parallel circuit: “a single current path”? (a) parallel (b) series
  38. 38.True or false: “a single current path” is true of a parallel circuit. (a) False (b) True
  39. 39.🔗 Series or parallel circuit: “a break stops every bulb”? (a) parallel (b) series
  40. 40.True or false: “own switch for each bulb” is true of a series circuit. (a) True (b) False

Answer key

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

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