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Electronics Worksheet: Series Circuits

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

Answer key

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

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