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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 385 · 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.🔗 Series or parallel circuit: “each gets the full volts”? (a) parallel (b) series
  2. 2.True or false: “each gets the full volts” is true of a parallel circuit. (a) False (b) True
  3. 3.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) in parallel (b) by Wi-Fi (c) not joined (d) in series
  4. 4.True or false: “each gets the full volts” is true of a series circuit. (a) True (b) False
  5. 5.💡 In a series circuit, how many paths does the current have? (a) one for each bulb (b) two (c) none (d) one
  6. 6.💡 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) brighter (c) dimmer
  7. 7.💡 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
  8. 8.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) parallel (b) series
  9. 9.🔗 Series or parallel circuit: “a single current path”? (a) series (b) parallel
  10. 10.🔗 Series or parallel circuit: “own switch for each bulb”? (a) parallel (b) series
  11. 11.🔗 Series or parallel circuit: “a break stops every bulb”? (a) parallel (b) series
  12. 12.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) True (b) False
  13. 13.💡 A battery lights 3 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
  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. Does bulb 2 glow? (a) Yes (b) No
  15. 15.True or false: “one bulb out, all go out” is true of a series circuit. (a) False (b) True
  16. 16.💡 3 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  17. 17.True or false: “bulbs share the voltage” is true of a series circuit. (a) False (b) True
  18. 18.True or false: “many paths for current” is true of a series circuit. (a) True (b) False
  19. 19.🔗 Series or parallel circuit: “used in house wiring”? (a) parallel (b) series
  20. 20.💡 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) Yes (b) No
  21. 21.💡 5 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  22. 22.💡 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) dimmer (c) brighter
  23. 23.True or false: “used in house wiring” is true of a series circuit. (a) False (b) True
  24. 24.💡 4 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  25. 25.💡 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. Does bulb 2 glow? (a) No (b) Yes
  26. 26.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) parallel (b) series
  27. 27.💡 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?
  28. 28.💡 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?
  29. 29.True or false: “a single current path” is true of a parallel circuit. (a) True (b) False
  30. 30.True or false: “own switch for each bulb” is true of a series circuit. (a) False (b) True
  31. 31.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) False (b) True
  32. 32.💡 5 identical bulbs are joined in series with a 12.5 V battery (ideal wires). How many volts does each bulb get? =
  33. 33.💡 4 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =
  34. 34.💡 2 identical bulbs are joined in series with an 8 V battery (ideal wires). How many volts does each bulb get? =
  35. 35.💡 2 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  36. 36.💡 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 4 glow? (a) No (b) Yes
  37. 37.💡 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?
  38. 38.💡 2 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  39. 39.💡 6 identical bulbs are joined in series with a battery and a closed switch on the main wire. Bulb 4 is taken out of its holder. Does bulb 5 glow? (a) Yes (b) No
  40. 40.True or false: “one out, the rest glow” is true of a series circuit. (a) False (b) True

Answer key

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

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