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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 17 · 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.💡 2 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =
  2. 2.🔗 Series or parallel circuit: “own switch for each bulb”? (a) parallel (b) series
  3. 3.💡 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
  4. 4.💡 In a series circuit, how many paths does the current have? (a) none (b) one (c) two (d) one for each bulb
  5. 5.True or false: “each gets the full volts” is true of a series circuit. (a) False (b) True
  6. 6.💡 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) the same (c) dimmer
  7. 7.💡 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) dimmer (c) brighter
  8. 8.💡 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
  9. 9.🔗 Series or parallel circuit: “used in house wiring”? (a) parallel (b) series
  10. 10.🔗 Series or parallel circuit: “many paths for current”? (a) parallel (b) series
  11. 11.True or false: “own switch for each bulb” is true of a parallel circuit. (a) False (b) True
  12. 12.💡 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. Does bulb 4 glow? (a) No (b) Yes
  13. 13.💡 2 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?
  14. 14.True or false: “one out, the rest glow” is true of a series circuit. (a) False (b) True
  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. Does bulb 2 glow? (a) Yes (b) No
  16. 16.True or false: “a break stops every bulb” is true of a parallel circuit. (a) True (b) False
  17. 17.💡 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. How many bulbs glow?
  18. 18.True or false: “a break stops every bulb” is true of a series circuit. (a) True (b) False
  19. 19.💡 3 identical bulbs are joined in series with a 4.5 V battery (ideal wires). How many volts does each bulb get? =
  20. 20.True or false: “many paths for current” is true of a parallel circuit. (a) False (b) True
  21. 21.🔗 Series or parallel circuit: “each gets the full volts”? (a) parallel (b) series
  22. 22.True or false: “one bulb out, all go out” is true of a series circuit. (a) False (b) True
  23. 23.True or false: “own switch for each bulb” is true of a series circuit. (a) True (b) False
  24. 24.💡 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 3 glow? (a) No (b) Yes
  25. 25.💡 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 5 glow? (a) No (b) Yes
  26. 26.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) False (b) True
  27. 27.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) series (b) parallel
  28. 28.💡 5 identical bulbs are joined in series with a 20 V battery (ideal wires). How many volts does each bulb get? =
  29. 29.💡 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 1 glow? (a) Yes (b) No
  30. 30.True or false: “one out, the rest glow” is true of a parallel circuit. (a) False (b) True
  31. 31.💡 2 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  32. 32.💡 5 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  33. 33.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) series (b) parallel
  34. 34.💡 3 identical bulbs are joined in series with a 12 V battery (ideal wires). How many volts does each bulb get? =
  35. 35.💡 6 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
  36. 36.🔗 Series or parallel circuit: “one out, the rest glow”? (a) parallel (b) series
  37. 37.💡 2 identical bulbs are joined in series with a 5 V battery (ideal wires). How many volts does each bulb get? =
  38. 38.💡 3 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  39. 39.💡 2 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  40. 40.True or false: “many paths for current” is true of a series circuit. (a) False (b) True

Answer key

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

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