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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 290 · 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.💡 A battery lights 3 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
  2. 2.True or false: “many paths for current” is true of a series circuit. (a) True (b) False
  3. 3.True or false: “a single current path” is true of a parallel circuit. (a) True (b) False
  4. 4.True or false: “one out, the rest glow” is true of a series circuit. (a) True (b) False
  5. 5.💡 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?
  6. 6.🔗 Series or parallel circuit: “one out, the rest glow”? (a) series (b) parallel
  7. 7.💡 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
  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) the same (b) dimmer (c) brighter
  9. 9.💡 5 identical bulbs are joined in series with a 5 V battery (ideal wires). How many volts does each bulb get? =
  10. 10.🔗 Series or parallel circuit: “used in house wiring”? (a) series (b) parallel
  11. 11.💡 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
  12. 12.True or false: “many paths for current” is true of a parallel circuit. (a) False (b) True
  13. 13.True or false: “a break stops every bulb” is true of a series circuit. (a) True (b) False
  14. 14.True or false: “bulbs share the voltage” is true of a series circuit. (a) True (b) False
  15. 15.🔗 Series or parallel circuit: “many paths for current”? (a) parallel (b) series
  16. 16.💡 In a series circuit, how many paths does the current have? (a) two (b) none (c) one for each bulb (d) one
  17. 17.💡 3 identical bulbs are joined in series with a 4.5 V battery (ideal wires). How many volts does each bulb get? =
  18. 18.💡 4 identical bulbs are joined in series with a 16 V battery (ideal wires). How many volts does each bulb get? =
  19. 19.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) series (b) parallel
  20. 20.🔗 Series or parallel circuit: “a single current path”? (a) series (b) parallel
  21. 21.💡 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
  22. 22.True or false: “one bulb out, all go out” is true of a series circuit. (a) False (b) True
  23. 23.💡 5 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 2 glow? (a) Yes (b) No
  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. Does bulb 1 glow? (a) No (b) Yes
  25. 25.🔗 Series or parallel circuit: “a break stops every bulb”? (a) parallel (b) series
  26. 26.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) parallel (b) series
  27. 27.💡 2 identical bulbs are joined in series with a 2 V battery (ideal wires). How many volts does each bulb get? =
  28. 28.💡 5 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  29. 29.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) True (b) False
  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. Does bulb 5 glow? (a) Yes (b) No
  31. 31.💡 6 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?
  32. 32.💡 2 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =
  33. 33.True or false: “own switch for each bulb” is true of a series circuit. (a) False (b) True
  34. 34.💡 4 identical bulbs are joined in series with a 12 V battery (ideal wires). How many volts does each bulb get? =
  35. 35.True or false: “own switch for each bulb” is true of a parallel circuit. (a) False (b) True
  36. 36.🔗 Series or parallel circuit: “each gets the full volts”? (a) parallel (b) series
  37. 37.💡 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 2 glow? (a) No (b) Yes
  38. 38.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) False (b) True
  39. 39.🔗 Series or parallel circuit: “own switch for each bulb”? (a) series (b) parallel
  40. 40.💡 4 identical bulbs are joined in series with a 10 V battery (ideal wires). How many volts does each bulb get? =

Answer key

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

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