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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 779 · 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 5 identical bulbs joined in series. One more identical bulb is added in series. How do the bulbs glow now? (a) dimmer (b) the same (c) brighter
  2. 2.💡 In a series circuit, how many paths does the current have? (a) two (b) one for each bulb (c) none (d) one
  3. 3.True or false: “a single current path” is true of a parallel circuit. (a) True (b) False
  4. 4.💡 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) Yes (b) No
  5. 5.🔗 Series or parallel circuit: “own switch for each bulb”? (a) series (b) parallel
  6. 6.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) parallel (b) series
  7. 7.True or false: “a single current path” is true of a series circuit. (a) False (b) True
  8. 8.🔗 Series or parallel circuit: “many paths for current”? (a) series (b) parallel
  9. 9.💡 4 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =
  10. 10.True or false: “each gets the full volts” is true of a series circuit. (a) True (b) False
  11. 11.💡 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
  12. 12.🔗 Series or parallel circuit: “one out, the rest glow”? (a) series (b) parallel
  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.💡 2 identical bulbs are joined in series with a 5 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.🔗 Series or parallel circuit: “a single current path”? (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. How many bulbs glow?
  18. 18.True or false: “used in house wiring” is true of a parallel circuit. (a) False (b) True
  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 1 glow? (a) No (b) Yes
  20. 20.True or false: “one out, the rest glow” is true of a series circuit. (a) True (b) False
  21. 21.💡 2 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  22. 22.🔗 Series or parallel circuit: “used in house wiring”? (a) parallel (b) series
  23. 23.💡 5 identical bulbs are joined in series with a 20 V battery (ideal wires). How many volts does each bulb get? =
  24. 24.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) series (b) parallel
  25. 25.💡 3 identical bulbs are joined in series with a 4.5 V battery (ideal wires). How many volts does each bulb get? =
  26. 26.💡 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) Yes (b) No
  27. 27.True or false: “one bulb out, all go out” is true of a series circuit. (a) True (b) False
  28. 28.True or false: “own switch for each bulb” is true of a series circuit. (a) False (b) True
  29. 29.💡 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
  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: “each gets the full volts” is true of a parallel circuit. (a) False (b) True
  32. 32.💡 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 2 glow? (a) Yes (b) No
  33. 33.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) False (b) True
  34. 34.💡 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?
  35. 35.True or false: “a break stops every bulb” is true of a parallel circuit. (a) True (b) False
  36. 36.💡 5 identical bulbs are joined in series with a 15 V battery (ideal wires). How many volts does each bulb get? =
  37. 37.💡 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?
  38. 38.💡 4 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  39. 39.💡 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 4 glow? (a) No (b) Yes
  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) dimmer (c) the same

Answer key

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

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