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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 277 · 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 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
  2. 2.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) False (b) True
  3. 3.True or false: “a single current path” is true of a series circuit. (a) True (b) False
  4. 4.💡 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?
  5. 5.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) series (b) parallel
  6. 6.🔗 Series or parallel circuit: “bulbs share the voltage”? (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. How many bulbs glow?
  8. 8.🔗 Series or parallel circuit: “used in house wiring”? (a) parallel (b) series
  9. 9.💡 In a series circuit, how many paths does the current have? (a) two (b) one for each bulb (c) none (d) one
  10. 10.💡 3 identical bulbs are joined in series with a 12 V battery (ideal wires). How many volts does each bulb get? =
  11. 11.True or false: “used in house wiring” is true of a series circuit. (a) True (b) False
  12. 12.True or false: “one out, the rest glow” is true of a series circuit. (a) True (b) False
  13. 13.💡 4 identical bulbs are joined in series with a 16 V battery (ideal wires). How many volts does each bulb get? =
  14. 14.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) True (b) False
  15. 15.True or false: “own switch for each bulb” is true of a parallel circuit. (a) False (b) True
  16. 16.💡 5 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?
  17. 17.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) not joined (b) by Wi-Fi (c) in series (d) in parallel
  18. 18.💡 A battery lights 4 identical bulbs joined in series. One more identical bulb is added in series. How do the bulbs glow now? (a) the same (b) brighter (c) dimmer
  19. 19.True or false: “used in house wiring” is true of a parallel circuit. (a) True (b) False
  20. 20.🔗 Series or parallel circuit: “own switch for each bulb”? (a) series (b) parallel
  21. 21.True or false: “many paths for current” is true of a parallel circuit. (a) False (b) True
  22. 22.💡 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) brighter (c) dimmer
  23. 23.💡 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
  24. 24.🔗 Series or parallel circuit: “a break stops every bulb”? (a) parallel (b) series
  25. 25.💡 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?
  26. 26.True or false: “own switch for each bulb” is true of a series circuit. (a) True (b) False
  27. 27.💡 5 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?
  28. 28.True or false: “one bulb out, all go out” is true of a series 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. Bulb 3 is taken out of its holder. How many bulbs glow?
  30. 30.True or false: “a break stops every bulb” is true of a parallel circuit. (a) False (b) True
  31. 31.💡 2 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =
  32. 32.🔗 Series or parallel circuit: “each gets the full volts”? (a) series (b) parallel
  33. 33.💡 3 identical bulbs are joined in series with a 4.5 V battery (ideal wires). How many volts does each bulb get? =
  34. 34.🔗 Series or parallel circuit: “a single current path”? (a) parallel (b) series
  35. 35.🔗 Series or parallel circuit: “one out, the rest glow”? (a) parallel (b) series
  36. 36.💡 4 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?
  37. 37.🔗 Series or parallel circuit: “many paths for current”? (a) series (b) parallel
  38. 38.💡 4 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 3 glow? (a) Yes (b) No
  39. 39.💡 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?
  40. 40.💡 5 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

Answer key

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

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