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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 150 · 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) one (b) none (c) two (d) one for each bulb
  2. 2.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) by Wi-Fi (b) in series (c) not joined (d) in parallel
  3. 3.🔗 Series or parallel circuit: “one out, the rest glow”? (a) series (b) parallel
  4. 4.💡 4 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
  5. 5.💡 3 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?
  6. 6.💡 2 identical bulbs are joined in series with a 5 V battery (ideal wires). How many volts does each bulb get? =
  7. 7.💡 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 2 glow? (a) No (b) Yes
  8. 8.True or false: “a single current path” is true of a series circuit. (a) False (b) True
  9. 9.💡 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?
  10. 10.🔗 Series or parallel circuit: “each gets the full volts”? (a) parallel (b) series
  11. 11.💡 3 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  12. 12.🔗 Series or parallel circuit: “a single current path”? (a) series (b) parallel
  13. 13.💡 2 identical bulbs are joined in series with an 8 V battery (ideal wires). How many volts does each bulb get? =
  14. 14.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) series (b) parallel
  15. 15.True or false: “many paths for current” is true of a series circuit. (a) True (b) False
  16. 16.💡 4 identical bulbs are joined in series with an 8 V battery (ideal wires). How many volts does each bulb get? =
  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.🔗 Series or parallel circuit: “own switch for each bulb”? (a) series (b) parallel
  19. 19.💡 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?
  20. 20.True or false: “a single current path” is true of a parallel circuit. (a) True (b) False
  21. 21.💡 3 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
  22. 22.💡 2 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  23. 23.💡 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. How many bulbs glow?
  24. 24.True or false: “used in house wiring” is true of a parallel circuit. (a) False (b) True
  25. 25.💡 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. Does bulb 1 glow? (a) Yes (b) No
  26. 26.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) series (b) parallel
  27. 27.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) True (b) False
  28. 28.💡 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?
  29. 29.💡 4 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  30. 30.🔗 Series or parallel circuit: “many paths for current”? (a) parallel (b) series
  31. 31.🔗 Series or parallel circuit: “a break stops every bulb”? (a) parallel (b) series
  32. 32.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) True (b) False
  33. 33.True or false: “a break stops every bulb” is true of a parallel circuit. (a) True (b) False
  34. 34.True or false: “bulbs share the voltage” is true of a series circuit. (a) False (b) True
  35. 35.💡 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
  36. 36.🔗 Series or parallel circuit: “used in house wiring”? (a) parallel (b) series
  37. 37.💡 2 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =
  38. 38.💡 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) the same (c) dimmer
  39. 39.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) in series (b) by Wi-Fi (c) in parallel (d) not joined
  40. 40.💡 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

Answer key

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

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