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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 105 · 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.💡 4 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  2. 2.🔗 Series or parallel circuit: “a break stops every bulb”? (a) parallel (b) series
  3. 3.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) in parallel (b) not joined (c) by Wi-Fi (d) in series
  4. 4.💡 2 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  5. 5.💡 In a series circuit, how many paths does the current have? (a) one for each bulb (b) one (c) none (d) two
  6. 6.🔗 Series or parallel circuit: “a single current path”? (a) series (b) parallel
  7. 7.True or false: “a break stops every bulb” is true of a parallel circuit. (a) False (b) True
  8. 8.💡 A battery lights 5 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
  9. 9.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) True (b) False
  10. 10.💡 3 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  11. 11.💡 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?
  12. 12.True or false: “a single current path” is true of a series circuit. (a) False (b) True
  13. 13.💡 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. Does bulb 3 glow? (a) Yes (b) No
  14. 14.True or false: “used in house wiring” is true of a series circuit. (a) False (b) True
  15. 15.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) parallel (b) series
  16. 16.💡 2 identical bulbs are joined in series with a 2 V battery (ideal wires). How many volts does each bulb get? =
  17. 17.💡 2 identical bulbs are joined in series with a 5 V battery (ideal wires). How many volts does each bulb get? =
  18. 18.💡 2 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?
  19. 19.True or false: “many paths for current” is true of a parallel circuit. (a) False (b) True
  20. 20.True or false: “own switch for each bulb” is true of a series circuit. (a) False (b) True
  21. 21.True or false: “many paths for current” is true of a series circuit. (a) False (b) True
  22. 22.💡 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
  23. 23.True or false: “a single current path” is true of a parallel circuit. (a) True (b) False
  24. 24.🔗 Series or parallel circuit: “many paths for current”? (a) parallel (b) series
  25. 25.💡 5 identical bulbs are joined in series with a 5 V battery (ideal wires). How many volts does each bulb get? =
  26. 26.💡 5 identical bulbs are joined in series with a 15 V battery (ideal wires). How many volts does each bulb get? =
  27. 27.💡 4 identical bulbs are joined in series with an 8 V battery (ideal wires). How many volts does each bulb get? =
  28. 28.🔗 Series or parallel circuit: “one out, the rest glow”? (a) parallel (b) series
  29. 29.💡 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 1 glow? (a) Yes (b) No
  30. 30.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) False (b) True
  31. 31.💡 A battery lights 4 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
  32. 32.💡 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) No (b) Yes
  33. 33.💡 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
  34. 34.💡 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 2 glow? (a) Yes (b) No
  35. 35.True or false: “each gets the full volts” is true of a series circuit. (a) False (b) True
  36. 36.💡 3 identical bulbs are joined in series with a 9 V battery (ideal wires). How many volts does each bulb get? =
  37. 37.True or false: “used in house wiring” is true of a parallel circuit. (a) True (b) False
  38. 38.💡 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
  39. 39.True or false: “one out, the rest glow” is true of a parallel circuit. (a) True (b) False
  40. 40.True or false: “one out, the rest glow” is true of a series circuit. (a) False (b) True

Answer key

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

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