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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 103 · 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.💡 3 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  2. 2.💡 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
  3. 3.🔗 Series or parallel circuit: “many paths for current”? (a) parallel (b) series
  4. 4.💡 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
  5. 5.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) in series (b) in parallel (c) not joined (d) by Wi-Fi
  6. 6.True or false: “one out, the rest glow” is true of a series circuit. (a) True (b) False
  7. 7.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) True (b) False
  8. 8.💡 2 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  9. 9.🔗 Series or parallel circuit: “used in house wiring”? (a) series (b) parallel
  10. 10.💡 3 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  11. 11.💡 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?
  12. 12.💡 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
  13. 13.True or false: “own switch for each bulb” is true of a parallel circuit. (a) True (b) False
  14. 14.💡 2 identical bulbs are joined in series with an 8 V battery (ideal wires). How many volts does each bulb get? =
  15. 15.💡 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. Does bulb 1 glow? (a) Yes (b) No
  16. 16.💡 In a series circuit, how many paths does the current have? (a) one for each bulb (b) none (c) one (d) two
  17. 17.💡 4 identical bulbs are joined in series with a 16 V battery (ideal wires). How many volts does each bulb get? =
  18. 18.💡 3 identical bulbs are joined in series with a 12 V battery (ideal wires). How many volts does each bulb get? =
  19. 19.True or false: “used in house wiring” is true of a parallel circuit. (a) False (b) True
  20. 20.🔗 Series or parallel circuit: “own switch for each bulb”? (a) parallel (b) series
  21. 21.True or false: “a single current path” is true of a parallel circuit. (a) True (b) False
  22. 22.True or false: “many paths for current” is true of a series circuit. (a) True (b) False
  23. 23.💡 2 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  24. 24.💡 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?
  25. 25.🔗 Series or parallel circuit: “a break stops every bulb”? (a) series (b) parallel
  26. 26.🔗 Series or parallel circuit: “each gets the full volts”? (a) series (b) parallel
  27. 27.🔗 Series or parallel circuit: “one out, the rest glow”? (a) series (b) parallel
  28. 28.True or false: “each gets the full volts” is true of a parallel circuit. (a) False (b) True
  29. 29.💡 5 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
  30. 30.💡 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?
  31. 31.💡 5 identical bulbs are joined in series with a 20 V battery (ideal wires). How many volts does each bulb get? =
  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 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.💡 4 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 4 glow? (a) Yes (b) No
  35. 35.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) parallel (b) series
  36. 36.💡 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. How many bulbs glow?
  37. 37.True or false: “one out, the rest glow” is true of a parallel circuit. (a) False (b) True
  38. 38.🔗 Series or parallel circuit: “a single current path”? (a) parallel (b) series
  39. 39.💡 5 identical bulbs are joined in series with a 15 V battery (ideal wires). How many volts does each bulb get? =
  40. 40.💡 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

Answer key

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

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