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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 71 · 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.💡 4 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =
  3. 3.True or false: “own switch for each bulb” is true of a parallel circuit. (a) True (b) False
  4. 4.🔗 Series or parallel circuit: “a single current path”? (a) parallel (b) series
  5. 5.💡 5 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  6. 6.🔗 Series or parallel circuit: “one out, the rest glow”? (a) series (b) parallel
  7. 7.💡 A battery lights 5 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
  8. 8.🔗 Series or parallel circuit: “a break stops every bulb”? (a) parallel (b) series
  9. 9.True or false: “a single current path” is true of a series circuit. (a) True (b) False
  10. 10.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) series (b) parallel
  11. 11.True or false: “one out, the rest glow” is true of a parallel circuit. (a) True (b) False
  12. 12.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) in parallel (b) by Wi-Fi (c) not joined (d) in series
  13. 13.💡 5 identical bulbs are joined in series with a 15 V battery (ideal wires). How many volts does each bulb get? =
  14. 14.🔗 Series or parallel circuit: “many paths for current”? (a) series (b) parallel
  15. 15.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) series (b) parallel
  16. 16.💡 4 identical bulbs are joined in series with a 16 V battery (ideal wires). How many volts does each bulb get? =
  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) the same (c) dimmer
  18. 18.True or false: “a break stops every bulb” is true of a parallel circuit. (a) False (b) True
  19. 19.💡 2 identical bulbs are joined in series with an 8 V battery (ideal wires). How many volts does each bulb get? =
  20. 20.💡 4 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  21. 21.🔗 Series or parallel circuit: “own switch for each bulb”? (a) series (b) parallel
  22. 22.💡 5 identical bulbs are joined in series with a 12.5 V battery (ideal wires). How many volts does each bulb get? =
  23. 23.💡 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
  24. 24.💡 2 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  25. 25.💡 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?
  26. 26.💡 3 identical bulbs are joined in series with a 4.5 V battery (ideal wires). How many volts does each bulb get? =
  27. 27.💡 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) Yes (b) No
  28. 28.🔗 Series or parallel circuit: “each gets the full volts”? (a) parallel (b) series
  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 1 glow? (a) No (b) Yes
  30. 30.💡 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?
  31. 31.True or false: “many paths for current” is true of a series circuit. (a) False (b) True
  32. 32.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) True (b) False
  33. 33.💡 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 3 glow? (a) Yes (b) No
  34. 34.💡 6 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?
  35. 35.💡 5 identical bulbs are joined in series with a 5 V battery (ideal wires). How many volts does each bulb get? =
  36. 36.💡 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
  37. 37.💡 3 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  38. 38.True or false: “each gets the full volts” is true of a parallel circuit. (a) True (b) False
  39. 39.💡 5 identical bulbs are joined in series with a battery and a closed switch on the main wire. Bulb 5 is taken out of its holder. How many bulbs glow?
  40. 40.🔗 Series or parallel circuit: “used in house wiring”? (a) parallel (b) series

Answer key

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

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