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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 742 · 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.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) series (b) parallel
  2. 2.🔗 Series or parallel circuit: “used in house wiring”? (a) series (b) parallel
  3. 3.🔗 Series or parallel circuit: “a break stops every bulb”? (a) parallel (b) series
  4. 4.💡 2 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  5. 5.💡 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
  6. 6.True or false: “a single current path” is true of a parallel circuit. (a) False (b) True
  7. 7.💡 In a series circuit, how many paths does the current have? (a) one (b) one for each bulb (c) two (d) none
  8. 8.💡 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
  9. 9.🔗 Series or parallel circuit: “own switch for each bulb”? (a) series (b) parallel
  10. 10.True or false: “own switch for each bulb” is true of a parallel circuit. (a) True (b) False
  11. 11.💡 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) dimmer (c) the same
  12. 12.💡 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) dimmer (c) brighter
  13. 13.💡 4 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  14. 14.💡 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?
  15. 15.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) True (b) False
  16. 16.🔗 Series or parallel circuit: “one out, the rest glow”? (a) series (b) parallel
  17. 17.💡 A battery lights 3 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
  18. 18.True or false: “one out, the rest glow” is true of a series circuit. (a) False (b) True
  19. 19.💡 5 identical bulbs are joined in series with a 15 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 4 is taken out of its holder. Does bulb 6 glow? (a) No (b) Yes
  21. 21.🔗 Series or parallel circuit: “each gets the full volts”? (a) parallel (b) series
  22. 22.💡 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
  23. 23.💡 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 1 glow? (a) No (b) Yes
  24. 24.True or false: “many paths for current” is true of a series circuit. (a) False (b) True
  25. 25.💡 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. How many bulbs glow?
  26. 26.True or false: “one out, the rest glow” is true of a parallel circuit. (a) False (b) True
  27. 27.💡 2 identical bulbs are joined in series with an 8 V battery (ideal wires). How many volts does each bulb get? =
  28. 28.True or false: “many paths for current” is true of a parallel circuit. (a) False (b) True
  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. Does bulb 1 glow? (a) No (b) Yes
  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.💡 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. How many bulbs glow?
  32. 32.💡 5 identical bulbs are joined in series with a 20 V battery (ideal wires). How many volts does each bulb get? =
  33. 33.💡 3 identical bulbs are joined in series with a 9 V battery (ideal wires). How many volts does each bulb get? =
  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.💡 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?
  36. 36.🔗 Series or parallel circuit: “many paths for current”? (a) series (b) parallel
  37. 37.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) True (b) False
  38. 38.💡 4 identical bulbs are joined in series with a 10 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.True or false: “a break stops every bulb” is true of a parallel circuit. (a) True (b) False

Answer key

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

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