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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 19 · 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) two (c) one (d) one for each bulb
  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.🔗 Series or parallel circuit: “a break stops every bulb”? (a) parallel (b) series
  4. 4.💡 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
  5. 5.🔗 Series or parallel circuit: “one out, the rest glow”? (a) series (b) parallel
  6. 6.💡 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
  7. 7.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) True (b) False
  8. 8.🔗 Series or parallel circuit: “many paths for current”? (a) series (b) parallel
  9. 9.True or false: “used in house wiring” is true of a series circuit. (a) False (b) True
  10. 10.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) parallel (b) series
  11. 11.💡 2 identical bulbs are joined in series with a 2 V battery (ideal wires). How many volts does each bulb get? =
  12. 12.💡 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. Does bulb 4 glow? (a) No (b) Yes
  13. 13.💡 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
  14. 14.🔗 Series or parallel circuit: “used in house wiring”? (a) series (b) parallel
  15. 15.💡 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?
  16. 16.💡 3 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  17. 17.True or false: “each gets the full volts” is true of a series circuit. (a) False (b) True
  18. 18.💡 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) No (b) Yes
  19. 19.True or false: “one bulb out, all go out” is true of a series circuit. (a) True (b) False
  20. 20.True or false: “one out, the rest glow” is true of a series circuit. (a) True (b) False
  21. 21.True or false: “own switch for each bulb” is true of a series circuit. (a) False (b) True
  22. 22.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) True (b) False
  23. 23.💡 2 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  24. 24.True or false: “a single current path” is true of a parallel circuit. (a) True (b) False
  25. 25.True or false: “each gets the full volts” is true of a parallel circuit. (a) True (b) False
  26. 26.True or false: “bulbs share the voltage” is true of a series circuit. (a) True (b) False
  27. 27.🔗 Series or parallel circuit: “own switch for each bulb”? (a) parallel (b) series
  28. 28.💡 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 3 glow? (a) Yes (b) No
  29. 29.True or false: “own switch for each bulb” is true of a parallel circuit. (a) True (b) False
  30. 30.True or false: “used in house wiring” is true of a parallel circuit. (a) False (b) True
  31. 31.💡 A battery lights 4 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
  32. 32.💡 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?
  33. 33.True or false: “one out, the rest glow” is true of a parallel circuit. (a) True (b) False
  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.💡 6 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?
  36. 36.💡 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?
  37. 37.💡 A battery lights 5 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
  38. 38.💡 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. Does bulb 1 glow? (a) No (b) Yes
  39. 39.🔗 Series or parallel circuit: “a single current path”? (a) series (b) parallel
  40. 40.💡 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?

Answer key

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

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