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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 46 · 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: “each gets the full volts” is true of a series circuit. (a) True (b) False
  2. 2.💡 In a series circuit, how many paths does the current have? (a) none (b) one for each bulb (c) two (d) one
  3. 3.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) False (b) True
  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.💡 A battery lights 3 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
  6. 6.🔗 Series or parallel circuit: “many paths for current”? (a) series (b) parallel
  7. 7.True or false: “one bulb out, all go out” is true of a series 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: “a single current path” is true of a series circuit. (a) False (b) True
  10. 10.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) not joined (b) in series (c) by Wi-Fi (d) in parallel
  11. 11.🔗 Series or parallel circuit: “each gets the full volts”? (a) series (b) parallel
  12. 12.💡 3 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?
  13. 13.💡 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?
  14. 14.🔗 Series or parallel circuit: “a single current path”? (a) series (b) parallel
  15. 15.🔗 Series or parallel circuit: “a break stops every bulb”? (a) parallel (b) series
  16. 16.💡 5 identical bulbs are joined in series with a 20 V battery (ideal wires). How many volts does each bulb get? =
  17. 17.💡 2 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  18. 18.💡 3 identical bulbs are joined in series with a 9 V battery (ideal wires). How many volts does each bulb get? =
  19. 19.💡 4 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. Does bulb 1 glow? (a) Yes (b) No
  20. 20.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) parallel (b) series
  21. 21.True or false: “each gets the full volts” is true of a parallel circuit. (a) True (b) False
  22. 22.💡 5 identical bulbs are joined in series with a 15 V battery (ideal wires). How many volts does each bulb get? =
  23. 23.🔗 Series or parallel circuit: “own switch for each bulb”? (a) parallel (b) series
  24. 24.True or false: “a break stops every bulb” is true of a series circuit. (a) True (b) False
  25. 25.💡 3 identical bulbs are joined in series with a 12 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 1 is taken out of its holder. How many bulbs glow?
  27. 27.🔗 Series or parallel circuit: “one out, the rest glow”? (a) series (b) parallel
  28. 28.💡 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?
  29. 29.💡 5 identical bulbs are joined in series with a 12.5 V battery (ideal wires). How many volts does each bulb get? =
  30. 30.💡 2 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =
  31. 31.💡 A battery lights 2 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
  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) Yes (b) No
  33. 33.💡 3 identical bulbs are joined in series with a 4.5 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 2 is taken out of its holder. How many bulbs glow?
  35. 35.🔗 Series or parallel circuit: “used in house wiring”? (a) parallel (b) series
  36. 36.💡 5 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  37. 37.💡 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
  38. 38.💡 3 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  39. 39.True or false: “own switch for each bulb” is true of a series circuit. (a) True (b) False
  40. 40.💡 4 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =

Answer key

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

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