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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 382 · 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.💡 In a series circuit, how many paths does the current have? (a) one (b) one for each bulb (c) two (d) none
  2. 2.🔗 Series or parallel circuit: “own switch for each bulb”? (a) parallel (b) series
  3. 3.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) series (b) parallel
  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. How many bulbs glow?
  5. 5.True or false: “each gets the full volts” is true of a series circuit. (a) False (b) True
  6. 6.💡 2 identical bulbs are joined in series with a 5 V battery (ideal wires). How many volts does each bulb get? =
  7. 7.True or false: “a single current path” is true of a parallel circuit. (a) True (b) False
  8. 8.💡 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?
  9. 9.True or false: “many paths for current” is true of a series circuit. (a) True (b) False
  10. 10.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) False (b) True
  11. 11.True or false: “a break stops every bulb” is true of a series circuit. (a) False (b) True
  12. 12.💡 6 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. Does bulb 6 glow? (a) Yes (b) No
  13. 13.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) in series (b) not joined (c) by Wi-Fi (d) in parallel
  14. 14.🔗 Series or parallel circuit: “a break stops every bulb”? (a) parallel (b) series
  15. 15.🔗 Series or parallel circuit: “used in house wiring”? (a) parallel (b) series
  16. 16.True or false: “bulbs share the voltage” is true of a series circuit. (a) True (b) False
  17. 17.💡 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
  18. 18.True or false: “a single current path” is true of a series circuit. (a) False (b) True
  19. 19.💡 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?
  20. 20.💡 5 identical bulbs are joined in series with a 15 V battery (ideal wires). How many volts does each bulb get? =
  21. 21.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) series (b) parallel
  22. 22.🔗 Series or parallel circuit: “each gets the full volts”? (a) series (b) parallel
  23. 23.🔗 Series or parallel circuit: “many paths for current”? (a) series (b) parallel
  24. 24.True or false: “one out, the rest glow” is true of a parallel circuit. (a) True (b) False
  25. 25.💡 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) dimmer (c) the same
  26. 26.💡 3 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?
  27. 27.🔗 Series or parallel circuit: “a single current path”? (a) parallel (b) series
  28. 28.True or false: “one bulb out, all go out” is true of a series circuit. (a) True (b) False
  29. 29.💡 2 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =
  30. 30.🔗 Series or parallel circuit: “one out, the rest glow”? (a) parallel (b) series
  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.💡 5 identical bulbs are joined in series with a 5 V battery (ideal wires). How many volts does each bulb get? =
  33. 33.True or false: “a break stops every bulb” is true of a parallel circuit. (a) False (b) True
  34. 34.True or false: “many paths for current” is true of a parallel circuit. (a) True (b) False
  35. 35.True or false: “own switch for each bulb” is true of a series circuit. (a) True (b) False
  36. 36.💡 2 identical bulbs are joined in series with a 3 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. Bulb 2 is taken out of its holder. Does bulb 3 glow? (a) Yes (b) No
  38. 38.🔗 Series or parallel circuit: “each gets the full volts”? (a) parallel (b) series
  39. 39.💡 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) Yes (b) No
  40. 40.💡 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) dimmer (c) brighter

Answer key

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

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