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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 221 · 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.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) by Wi-Fi (b) not joined (c) in parallel (d) in series
  2. 2.🔗 Series or parallel circuit: “each gets the full volts”? (a) parallel (b) series
  3. 3.True or false: “bulbs share the voltage” is true of a series circuit. (a) True (b) False
  4. 4.🔗 Series or parallel circuit: “one out, the rest glow”? (a) parallel (b) series
  5. 5.💡 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?
  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: “used in house wiring” is true of a series circuit. (a) False (b) True
  8. 8.💡 4 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
  9. 9.True or false: “each gets the full volts” is true of a parallel circuit. (a) True (b) False
  10. 10.💡 6 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?
  11. 11.True or false: “used in house wiring” is true of a parallel circuit. (a) True (b) False
  12. 12.💡 5 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  13. 13.🔗 Series or parallel circuit: “many paths for current”? (a) series (b) parallel
  14. 14.True or false: “many paths for current” is true of a series circuit. (a) False (b) True
  15. 15.🔗 Series or parallel circuit: “a break stops every bulb”? (a) series (b) parallel
  16. 16.💡 2 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  17. 17.True or false: “one out, the rest glow” is true of a parallel circuit. (a) True (b) False
  18. 18.💡 2 identical bulbs are joined in series with an 8 V battery (ideal wires). How many volts does each bulb get? =
  19. 19.💡 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?
  20. 20.💡 In a series circuit, how many paths does the current have? (a) one for each bulb (b) two (c) none (d) one
  21. 21.💡 4 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. How many bulbs glow?
  22. 22.💡 4 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. Does bulb 4 glow? (a) No (b) Yes
  23. 23.True or false: “many paths for current” is true of a parallel circuit. (a) False (b) True
  24. 24.🔗 Series or parallel circuit: “own switch for each bulb”? (a) series (b) parallel
  25. 25.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) False (b) True
  26. 26.💡 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 1 glow? (a) Yes (b) No
  27. 27.💡 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
  28. 28.💡 4 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  29. 29.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) parallel (b) series
  30. 30.🔗 Series or parallel circuit: “a single current path”? (a) series (b) parallel
  31. 31.💡 2 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  32. 32.💡 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) dimmer (c) the same
  33. 33.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) True (b) False
  34. 34.💡 3 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  35. 35.💡 4 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?
  36. 36.💡 3 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  37. 37.💡 5 identical bulbs are joined in series with a 20 V battery (ideal wires). How many volts does each bulb get? =
  38. 38.💡 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. How many bulbs glow?
  39. 39.💡 2 identical bulbs are joined in series with a 5 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. in series
  2. parallel
  3. True
  4. parallel
  5. 0
  6. False
  7. False
  8. No
  9. True
  10. 0
  11. True
  12. 1.5
  13. parallel
  14. False
  15. series
  16. 3
  17. True
  18. 4
  19. 0
  20. one
  21. 0
  22. No
  23. True
  24. parallel
  25. False
  26. Yes
  27. dimmer
  28. 1.5
  29. series
  30. series
  31. 1.5
  32. dimmer
  33. False
  34. 2.5
  35. 0
  36. 1
  37. 4
  38. 0
  39. 2.5
  40. dimmer

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