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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 430 · 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.💡 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) dimmer (c) the same
  2. 2.True or false: “a single current path” is true of a parallel circuit. (a) True (b) False
  3. 3.🔗 Series or parallel circuit: “used in house wiring”? (a) parallel (b) series
  4. 4.💡 5 identical bulbs are joined in series with a 5 V battery (ideal wires). How many volts does each bulb get? =
  5. 5.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) series (b) parallel
  6. 6.True or false: “one out, the rest glow” is true of a parallel circuit. (a) False (b) True
  7. 7.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) parallel (b) series
  8. 8.💡 4 identical bulbs are joined in series with a 12 V battery (ideal wires). How many volts does each bulb get? =
  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.💡 2 identical bulbs are joined in series with an 8 V battery (ideal wires). How many volts does each bulb get? =
  11. 11.True or false: “a break stops every bulb” is true of a parallel circuit. (a) True (b) False
  12. 12.💡 In a series circuit, how many paths does the current have? (a) two (b) none (c) one (d) one for each bulb
  13. 13.💡 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) No (b) Yes
  14. 14.💡 4 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  15. 15.🔗 Series or parallel circuit: “a break stops every bulb”? (a) series (b) parallel
  16. 16.True or false: “own switch for each bulb” is true of a series circuit. (a) True (b) False
  17. 17.🔗 Series or parallel circuit: “many paths for current”? (a) parallel (b) series
  18. 18.💡 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. How many bulbs glow?
  19. 19.💡 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
  20. 20.🔗 Series or parallel circuit: “one out, the rest glow”? (a) parallel (b) series
  21. 21.💡 5 identical bulbs are joined in series with a 15 V battery (ideal wires). How many volts does each bulb get? =
  22. 22.💡 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?
  23. 23.🔗 Series or parallel circuit: “own switch for each bulb”? (a) series (b) parallel
  24. 24.💡 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
  25. 25.True or false: “one bulb out, all go out” is true of a series circuit. (a) True (b) False
  26. 26.True or false: “own switch for each bulb” is true of a parallel circuit. (a) False (b) True
  27. 27.💡 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?
  28. 28.True or false: “a break stops every bulb” is true of a series circuit. (a) False (b) True
  29. 29.💡 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
  30. 30.💡 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?
  31. 31.True or false: “many paths for current” is true of a parallel circuit. (a) False (b) True
  32. 32.🔗 Series or parallel circuit: “each gets the full volts”? (a) series (b) parallel
  33. 33.💡 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?
  34. 34.💡 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?
  35. 35.True or false: “used in house wiring” is true of a parallel circuit. (a) False (b) True
  36. 36.💡 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
  37. 37.🔗 Series or parallel circuit: “a single current path”? (a) parallel (b) series
  38. 38.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) True (b) False
  39. 39.True or false: “each gets the full volts” is true of a series circuit. (a) True (b) False
  40. 40.💡 5 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =

Answer key

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

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