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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 387 · 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.💡 In a series circuit, how many paths does the current have? (a) none (b) one (c) one for each bulb (d) two
  2. 2.💡 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
  3. 3.🔗 Series or parallel circuit: “many paths for current”? (a) parallel (b) series
  4. 4.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) parallel (b) series
  5. 5.🔗 Series or parallel circuit: “one out, the rest glow”? (a) series (b) parallel
  6. 6.💡 3 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 3 glow? (a) Yes (b) No
  7. 7.True or false: “a single current path” is true of a series circuit. (a) False (b) True
  8. 8.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) parallel (b) series
  9. 9.💡 A battery lights 5 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
  10. 10.🔗 Series or parallel circuit: “own switch for each bulb”? (a) series (b) parallel
  11. 11.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) False (b) True
  12. 12.True or false: “a single current path” is true of a parallel circuit. (a) True (b) False
  13. 13.💡 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?
  14. 14.💡 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
  15. 15.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) True (b) False
  16. 16.💡 2 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) No (b) Yes
  17. 17.💡 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
  18. 18.💡 2 identical bulbs are joined in series with a 2 V battery (ideal wires). How many volts does each bulb get? =
  19. 19.True or false: “own switch for each bulb” is true of a series circuit. (a) False (b) True
  20. 20.💡 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?
  21. 21.💡 3 identical bulbs are joined in series with a 4.5 V battery (ideal wires). How many volts does each bulb get? =
  22. 22.🔗 Series or parallel circuit: “used in house wiring”? (a) series (b) parallel
  23. 23.True or false: “many paths for current” is true of a parallel circuit. (a) True (b) False
  24. 24.💡 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) dimmer (c) the same
  25. 25.💡 2 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  26. 26.True or false: “a break stops every bulb” is true of a parallel circuit. (a) True (b) False
  27. 27.🔗 Series or parallel circuit: “a break stops every bulb”? (a) parallel (b) series
  28. 28.🔗 Series or parallel circuit: “each gets the full volts”? (a) parallel (b) series
  29. 29.💡 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) dimmer (c) brighter
  30. 30.True or false: “one out, the rest glow” is true of a parallel circuit. (a) False (b) True
  31. 31.True or false: “a break stops every bulb” is true of a series circuit. (a) False (b) True
  32. 32.💡 2 identical bulbs are joined in series with a 5 V battery (ideal wires). How many volts does each bulb get? =
  33. 33.True or false: “many paths for current” is true of a series circuit. (a) True (b) False
  34. 34.💡 3 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.💡 2 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =
  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 7.5 V battery (ideal wires). How many volts does each bulb get? =
  38. 38.💡 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?
  39. 39.💡 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?
  40. 40.🔗 Series or parallel circuit: “a single current path”? (a) series (b) parallel

Answer key

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

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