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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 440 · 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) the same (b) dimmer (c) brighter
  2. 2.💡 5 identical bulbs are joined in series with a 20 V battery (ideal wires). How many volts does each bulb get? =
  3. 3.🔗 Series or parallel circuit: “a break stops every bulb”? (a) series (b) parallel
  4. 4.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) series (b) parallel
  5. 5.💡 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
  6. 6.💡 3 identical bulbs are joined in series with a 12 V battery (ideal wires). How many volts does each bulb get? =
  7. 7.💡 A battery lights 5 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
  8. 8.💡 4 identical bulbs are joined in series with a 10 V battery (ideal wires). How many volts does each bulb get? =
  9. 9.💡 In a series circuit, how many paths does the current have? (a) two (b) one (c) none (d) one for each bulb
  10. 10.💡 A battery lights 4 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
  11. 11.🔗 Series or parallel circuit: “each gets the full volts”? (a) parallel (b) series
  12. 12.🔗 Series or parallel circuit: “own switch for each bulb”? (a) series (b) parallel
  13. 13.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) series (b) parallel
  14. 14.True or false: “each gets the full volts” is true of a series circuit. (a) True (b) False
  15. 15.True or false: “each gets the full volts” is true of a parallel circuit. (a) True (b) False
  16. 16.🔗 Series or parallel circuit: “a single current path”? (a) series (b) parallel
  17. 17.True or false: “a single current path” is true of a parallel circuit. (a) False (b) True
  18. 18.🔗 Series or parallel circuit: “many paths for current”? (a) parallel (b) series
  19. 19.💡 2 identical bulbs are joined in series with a 5 V battery (ideal wires). How many volts does each bulb get? =
  20. 20.💡 6 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
  21. 21.💡 3 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  22. 22.💡 2 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =
  23. 23.💡 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) dimmer (c) the same
  24. 24.💡 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?
  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. How many bulbs glow?
  26. 26.💡 3 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  27. 27.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) True (b) False
  28. 28.True or false: “own switch for each bulb” is true of a series circuit. (a) True (b) False
  29. 29.💡 6 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. Does bulb 6 glow? (a) No (b) Yes
  30. 30.💡 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. 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.True or false: “many paths for current” is true of a series circuit. (a) False (b) True
  33. 33.💡 6 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.🔗 Series or parallel circuit: “one out, the rest glow”? (a) parallel (b) series
  35. 35.💡 5 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  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.💡 3 identical bulbs are joined in series with a 4.5 V battery (ideal wires). How many volts does each bulb get? =
  38. 38.💡 6 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. Does bulb 5 glow? (a) No (b) Yes
  39. 39.True or false: “one out, the rest glow” is true of a series circuit. (a) True (b) False
  40. 40.💡 4 identical bulbs are joined in series with a 12 V battery (ideal wires). How many volts does each bulb get? =

Answer key

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

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