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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 245 · 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) in parallel (b) not joined (c) in series (d) by Wi-Fi
  2. 2.🔗 Series or parallel circuit: “each gets the full volts”? (a) series (b) parallel
  3. 3.💡 4 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =
  4. 4.💡 3 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  5. 5.🔗 Series or parallel circuit: “a single current path”? (a) parallel (b) series
  6. 6.💡 In a series circuit, how many paths does the current have? (a) one for each bulb (b) none (c) one (d) two
  7. 7.True or false: “many paths for current” is true of a series circuit. (a) True (b) False
  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) brighter (b) the same (c) dimmer
  9. 9.💡 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?
  10. 10.💡 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?
  11. 11.💡 6 identical bulbs are joined in series with a battery and a closed switch on the main wire. Bulb 6 is taken out of its holder. How many bulbs glow?
  12. 12.True or false: “bulbs share the voltage” is true of a series circuit. (a) True (b) False
  13. 13.💡 5 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  14. 14.True or false: “own switch for each bulb” is true of a parallel circuit. (a) False (b) True
  15. 15.🔗 Series or parallel circuit: “a break stops every bulb”? (a) series (b) parallel
  16. 16.💡 4 identical bulbs are joined in series with a 10 V battery (ideal wires). How many volts does each bulb get? =
  17. 17.💡 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
  18. 18.🔗 Series or parallel circuit: “used in house wiring”? (a) parallel (b) series
  19. 19.True or false: “a break stops every bulb” is true of a parallel circuit. (a) False (b) True
  20. 20.💡 5 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 3 glow? (a) No (b) Yes
  21. 21.💡 2 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  22. 22.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) parallel (b) series
  23. 23.🔗 Series or parallel circuit: “many paths for current”? (a) series (b) parallel
  24. 24.🔗 Series or parallel circuit: “one out, the rest glow”? (a) parallel (b) series
  25. 25.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) True (b) False
  26. 26.💡 2 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?
  27. 27.🔗 Series or parallel circuit: “own switch for each bulb”? (a) series (b) parallel
  28. 28.True or false: “a single current path” is true of a series circuit. (a) True (b) False
  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. How many bulbs glow?
  30. 30.True or false: “used in house wiring” is true of a parallel circuit. (a) False (b) True
  31. 31.💡 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) dimmer (c) brighter
  32. 32.💡 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
  33. 33.True or false: “each gets the full volts” is true of a series circuit. (a) True (b) False
  34. 34.True or false: “one bulb out, all go out” is true of a series circuit. (a) False (b) True
  35. 35.💡 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) No (b) Yes
  36. 36.💡 3 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  37. 37.True or false: “own switch for each bulb” is true of a series circuit. (a) True (b) False
  38. 38.💡 3 identical bulbs are joined in series with a 12 V battery (ideal wires). How many volts does each bulb get? =
  39. 39.True or false: “each gets the full volts” is true of a parallel circuit. (a) False (b) True
  40. 40.💡 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?

Answer key

  1. in series
  2. parallel
  3. 1
  4. 1
  5. series
  6. one
  7. False
  8. dimmer
  9. 4
  10. 5
  11. 0
  12. True
  13. 1.5
  14. True
  15. series
  16. 2.5
  17. dimmer
  18. parallel
  19. False
  20. Yes
  21. 3
  22. series
  23. parallel
  24. parallel
  25. False
  26. 0
  27. parallel
  28. True
  29. 3
  30. True
  31. dimmer
  32. dimmer
  33. False
  34. True
  35. Yes
  36. 2
  37. False
  38. 4
  39. True
  40. 0

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