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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 78 · 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.True or false: “a break stops every bulb” is true of a parallel circuit. (a) False (b) True
  2. 2.True or false: “bulbs share the voltage” is true of a series circuit. (a) True (b) False
  3. 3.💡 In a series circuit, how many paths does the current have? (a) none (b) one for each bulb (c) one (d) two
  4. 4.💡 2 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =
  5. 5.🔗 Series or parallel circuit: “own switch for each bulb”? (a) series (b) parallel
  6. 6.🔗 Series or parallel circuit: “one out, the rest glow”? (a) series (b) parallel
  7. 7.💡 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
  8. 8.💡 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) brighter (c) dimmer
  9. 9.🔗 Series or parallel circuit: “used in house wiring”? (a) series (b) parallel
  10. 10.💡 3 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  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.💡 5 identical bulbs are joined in series with a 12.5 V battery (ideal wires). How many volts does each bulb get? =
  13. 13.💡 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) brighter (c) the same
  14. 14.🔗 Series or parallel circuit: “each gets the full volts”? (a) series (b) parallel
  15. 15.💡 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?
  16. 16.💡 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
  17. 17.💡 2 identical bulbs are joined in series with an 8 V battery (ideal wires). How many volts does each bulb get? =
  18. 18.💡 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?
  19. 19.🔗 Series or parallel circuit: “a single current path”? (a) series (b) parallel
  20. 20.💡 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?
  21. 21.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) series (b) parallel
  22. 22.💡 4 identical bulbs are joined in series with a 10 V battery (ideal wires). How many volts does each bulb get? =
  23. 23.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) in series (b) not joined (c) in parallel (d) by Wi-Fi
  24. 24.💡 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?
  25. 25.💡 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
  26. 26.💡 5 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  27. 27.True or false: “own switch for each bulb” is true of a parallel circuit. (a) False (b) True
  28. 28.True or false: “one out, the rest glow” is true of a parallel circuit. (a) True (b) False
  29. 29.💡 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?
  30. 30.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) True (b) False
  31. 31.True or false: “one bulb out, all go out” is true of a series circuit. (a) False (b) True
  32. 32.True or false: “many paths for current” is true of a parallel circuit. (a) False (b) True
  33. 33.True or false: “one out, the rest glow” is true of a series circuit. (a) False (b) True
  34. 34.True or false: “a single current path” is true of a series circuit. (a) False (b) True
  35. 35.💡 3 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  36. 36.True or false: “used in house wiring” is true of a series circuit. (a) True (b) False
  37. 37.💡 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?
  38. 38.True or false: “many paths for current” is true of a series circuit. (a) False (b) True
  39. 39.💡 2 identical bulbs are joined in series with a 2 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) brighter (b) the same (c) dimmer

Answer key

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

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