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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 65 · 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.💡 5 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 5 glow? (a) Yes (b) No
  2. 2.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) in parallel (b) by Wi-Fi (c) in series (d) not joined
  3. 3.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) True (b) False
  4. 4.True or false: “many paths for current” is true of a parallel circuit. (a) False (b) True
  5. 5.💡 In a series circuit, how many paths does the current have? (a) none (b) one (c) one for each bulb (d) two
  6. 6.True or false: “one out, the rest glow” is true of a series circuit. (a) True (b) False
  7. 7.💡 A battery lights 4 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
  8. 8.🔗 Series or parallel circuit: “a single current path”? (a) parallel (b) series
  9. 9.💡 4 identical bulbs are joined in series with a 12 V battery (ideal wires). How many volts does each bulb get? =
  10. 10.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) parallel (b) series
  11. 11.💡 5 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. Does bulb 2 glow? (a) Yes (b) No
  12. 12.💡 5 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  13. 13.🔗 Series or parallel circuit: “used in house wiring”? (a) series (b) parallel
  14. 14.🔗 Series or parallel circuit: “many paths for current”? (a) series (b) parallel
  15. 15.💡 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) the same (c) dimmer
  16. 16.💡 4 identical bulbs are joined in series with an 8 V battery (ideal wires). How many volts does each bulb get? =
  17. 17.💡 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
  18. 18.True or false: “one bulb out, all go out” is true of a series circuit. (a) True (b) False
  19. 19.💡 5 identical bulbs are joined in series with a 20 V battery (ideal wires). How many volts does each bulb get? =
  20. 20.🔗 Series or parallel circuit: “own switch for each bulb”? (a) parallel (b) series
  21. 21.🔗 Series or parallel circuit: “each gets the full volts”? (a) parallel (b) series
  22. 22.💡 4 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
  23. 23.🔗 Series or parallel circuit: “a break stops every bulb”? (a) parallel (b) series
  24. 24.💡 5 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. How many bulbs glow?
  25. 25.True or false: “bulbs share the voltage” is true of a series circuit. (a) False (b) True
  26. 26.💡 5 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?
  27. 27.True or false: “each gets the full volts” is true of a series circuit. (a) False (b) True
  28. 28.💡 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?
  29. 29.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) parallel (b) series
  30. 30.💡 2 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  31. 31.True or false: “own switch for each bulb” is true of a series circuit. (a) True (b) False
  32. 32.💡 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?
  33. 33.True or false: “a break stops every bulb” is true of a series circuit. (a) True (b) False
  34. 34.True or false: “a single current path” is true of a parallel circuit. (a) False (b) True
  35. 35.💡 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. Does bulb 2 glow? (a) No (b) Yes
  36. 36.💡 5 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
  37. 37.💡 2 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  38. 38.🔗 Series or parallel circuit: “one out, the rest glow”? (a) parallel (b) series
  39. 39.💡 5 identical bulbs are joined in series with a 5 V battery (ideal wires). How many volts does each bulb get? =
  40. 40.💡 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

Answer key

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

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