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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 822 · 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.🔗 Series or parallel circuit: “a single current path”? (a) parallel (b) series
  2. 2.💡 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?
  3. 3.💡 5 identical bulbs are joined in series with a 12.5 V battery (ideal wires). How many volts does each bulb get? =
  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.💡 In a series circuit, how many paths does the current have? (a) none (b) one (c) one for each bulb (d) two
  6. 6.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) not joined (b) in parallel (c) in series (d) by Wi-Fi
  7. 7.💡 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?
  8. 8.💡 4 identical bulbs are joined in series with an 8 V battery (ideal wires). How many volts does each bulb get? =
  9. 9.💡 2 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  10. 10.💡 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
  11. 11.🔗 Series or parallel circuit: “a break stops every bulb”? (a) series (b) parallel
  12. 12.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) True (b) False
  13. 13.True or false: “own switch for each bulb” is true of a parallel circuit. (a) True (b) False
  14. 14.💡 5 identical bulbs are joined in series with a 20 V battery (ideal wires). How many volts does each bulb get? =
  15. 15.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) parallel (b) series
  16. 16.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) True (b) False
  17. 17.💡 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
  18. 18.True or false: “own switch for each bulb” is true of a series circuit. (a) False (b) True
  19. 19.💡 3 identical bulbs are joined in series with a 9 V battery (ideal wires). How many volts does each bulb get? =
  20. 20.💡 3 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) No (b) Yes
  21. 21.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) series (b) parallel
  22. 22.💡 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 1 glow? (a) Yes (b) No
  23. 23.🔗 Series or parallel circuit: “used in house wiring”? (a) parallel (b) series
  24. 24.True or false: “a break stops every bulb” is true of a parallel circuit. (a) True (b) False
  25. 25.True or false: “used in house wiring” is true of a series circuit. (a) False (b) True
  26. 26.🔗 Series or parallel circuit: “many paths for current”? (a) series (b) parallel
  27. 27.💡 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. How many bulbs glow?
  28. 28.💡 5 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
  29. 29.💡 2 identical bulbs are joined in series with a 2 V battery (ideal wires). How many volts does each bulb get? =
  30. 30.🔗 Series or parallel circuit: “one out, the rest glow”? (a) series (b) parallel
  31. 31.💡 6 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 5 glow? (a) Yes (b) No
  32. 32.True or false: “one out, the rest glow” is true of a series circuit. (a) True (b) False
  33. 33.💡 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. Does bulb 3 glow? (a) No (b) Yes
  34. 34.💡 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
  35. 35.True or false: “one bulb out, all go out” is true of a series circuit. (a) True (b) False
  36. 36.💡 5 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  37. 37.True or false: “one out, the rest glow” is true of a parallel circuit. (a) False (b) True
  38. 38.💡 2 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 5 V battery (ideal wires). How many volts does each bulb get? =
  40. 40.True or false: “used in house wiring” is true of a parallel circuit. (a) False (b) True

Answer key

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

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