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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 683 · 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.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) by Wi-Fi (b) in parallel (c) not joined (d) in series
  2. 2.💡 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
  3. 3.True or false: “a single current path” is true of a series circuit. (a) True (b) False
  4. 4.💡 4 identical bulbs are joined in series with a 16 V battery (ideal wires). How many volts does each bulb get? =
  5. 5.💡 A battery lights 5 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
  6. 6.💡 In a series circuit, how many paths does the current have? (a) two (b) none (c) one (d) one for each bulb
  7. 7.🔗 Series or parallel circuit: “one out, the rest glow”? (a) parallel (b) series
  8. 8.💡 A battery lights 2 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
  9. 9.True or false: “a single current path” is true of a parallel circuit. (a) True (b) False
  10. 10.True or false: “one out, the rest glow” is true of a series circuit. (a) False (b) True
  11. 11.💡 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
  12. 12.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) series (b) parallel
  13. 13.🔗 Series or parallel circuit: “a single current path”? (a) series (b) parallel
  14. 14.🔗 Series or parallel circuit: “own switch for each bulb”? (a) series (b) parallel
  15. 15.💡 4 identical bulbs are joined in series with a 12 V battery (ideal wires). How many volts does each bulb get? =
  16. 16.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) parallel (b) series
  17. 17.💡 2 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
  18. 18.🔗 Series or parallel circuit: “a break stops every bulb”? (a) series (b) parallel
  19. 19.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) False (b) True
  20. 20.🔗 Series or parallel circuit: “many paths for current”? (a) parallel (b) series
  21. 21.True or false: “many paths for current” is true of a parallel circuit. (a) False (b) True
  22. 22.True or false: “many paths for current” is true of a series circuit. (a) True (b) False
  23. 23.💡 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. How many bulbs glow?
  24. 24.True or false: “own switch for each bulb” is true of a series circuit. (a) True (b) False
  25. 25.🔗 Series or parallel circuit: “used in house wiring”? (a) parallel (b) series
  26. 26.💡 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?
  27. 27.💡 5 identical bulbs are joined in series with a 10 V battery (ideal wires). How many volts does each bulb get? =
  28. 28.💡 5 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  29. 29.💡 2 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  30. 30.🔗 Series or parallel circuit: “each gets the full volts”? (a) series (b) parallel
  31. 31.💡 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. How many bulbs glow?
  32. 32.True or false: “own switch for each bulb” is true of a parallel circuit. (a) True (b) False
  33. 33.💡 2 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
  34. 34.💡 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) No (b) Yes
  35. 35.True or false: “each gets the full volts” is true of a series circuit. (a) True (b) False
  36. 36.💡 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?
  37. 37.True or false: “one out, the rest glow” is true of a parallel circuit. (a) True (b) False
  38. 38.💡 3 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  39. 39.💡 5 identical bulbs are joined in series with a 20 V battery (ideal wires). How many volts does each bulb get? =
  40. 40.💡 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

Answer key

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

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