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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 126 · 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) True (b) False
  2. 2.🔗 Series or parallel circuit: “a break stops every bulb”? (a) series (b) parallel
  3. 3.🔗 Series or parallel circuit: “own switch for each bulb”? (a) parallel (b) series
  4. 4.💡 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?
  5. 5.💡 2 identical bulbs are joined in series with an 8 V battery (ideal wires). How many volts does each bulb get? =
  6. 6.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) by Wi-Fi (b) in parallel (c) in series (d) not joined
  7. 7.💡 4 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  8. 8.True or false: “used in house wiring” is true of a series circuit. (a) False (b) True
  9. 9.True or false: “one out, the rest glow” is true of a parallel circuit. (a) True (b) False
  10. 10.True or false: “a break stops every bulb” is true of a series circuit. (a) False (b) True
  11. 11.True or false: “a single current path” is true of a parallel circuit. (a) True (b) False
  12. 12.💡 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
  13. 13.True or false: “own switch for each bulb” is true of a series circuit. (a) False (b) True
  14. 14.💡 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
  15. 15.💡 2 identical bulbs are joined in series with a 2 V battery (ideal wires). How many volts does each bulb get? =
  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.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) series (b) parallel
  18. 18.🔗 Series or parallel circuit: “many paths for current”? (a) parallel (b) series
  19. 19.🔗 Series or parallel circuit: “each gets the full volts”? (a) parallel (b) series
  20. 20.True or false: “many paths for current” is true of a parallel circuit. (a) True (b) False
  21. 21.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) True (b) False
  22. 22.💡 In a series circuit, how many paths does the current have? (a) one for each bulb (b) none (c) one (d) two
  23. 23.💡 4 identical bulbs are joined in series with a 12 V battery (ideal wires). How many volts does each bulb get? =
  24. 24.💡 5 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  25. 25.💡 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) dimmer (c) the same
  26. 26.True or false: “a break stops every bulb” is true of a parallel circuit. (a) True (b) False
  27. 27.💡 3 identical bulbs are joined in series with a 9 V battery (ideal wires). How many volts does each bulb get? =
  28. 28.💡 5 identical bulbs are joined in series with a 20 V battery (ideal wires). How many volts does each bulb get? =
  29. 29.🔗 Series or parallel circuit: “used in house wiring”? (a) parallel (b) series
  30. 30.💡 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
  31. 31.💡 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?
  32. 32.💡 A battery lights 2 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
  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.💡 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 3 glow? (a) Yes (b) No
  35. 35.True or false: “a single current path” is true of a series circuit. (a) True (b) False
  36. 36.True or false: “one bulb out, all go out” is true of a series circuit. (a) False (b) True
  37. 37.💡 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. How many bulbs glow?
  38. 38.💡 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 1 glow? (a) Yes (b) No
  39. 39.💡 2 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  40. 40.💡 A battery lights 2 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

Answer key

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

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