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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 164 · 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.True or false: “each gets the full volts” is true of a parallel circuit. (a) True (b) False
  2. 2.💡 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?
  3. 3.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) not joined (b) by Wi-Fi (c) in parallel (d) in series
  4. 4.🔗 Series or parallel circuit: “used in house wiring”? (a) parallel (b) series
  5. 5.True or false: “used in house wiring” is true of a series circuit. (a) True (b) False
  6. 6.💡 In a series circuit, how many paths does the current have? (a) two (b) one for each bulb (c) none (d) one
  7. 7.🔗 Series or parallel circuit: “a single current path”? (a) series (b) parallel
  8. 8.🔗 Series or parallel circuit: “own switch for each bulb”? (a) parallel (b) series
  9. 9.💡 2 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  10. 10.💡 5 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 2 glow? (a) Yes (b) No
  11. 11.💡 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 1 glow? (a) Yes (b) No
  12. 12.💡 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. How many bulbs glow?
  13. 13.True or false: “each gets the full volts” is true of a series circuit. (a) False (b) True
  14. 14.🔗 Series or parallel circuit: “many paths for current”? (a) series (b) parallel
  15. 15.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) series (b) parallel
  16. 16.True or false: “one bulb out, all go out” is true of a series circuit. (a) True (b) False
  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.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) series (b) parallel
  19. 19.💡 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
  20. 20.True or false: “many paths for current” is true of a series circuit. (a) True (b) False
  21. 21.💡 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
  22. 22.💡 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?
  23. 23.🔗 Series or parallel circuit: “one out, the rest glow”? (a) series (b) parallel
  24. 24.💡 2 identical bulbs are joined in series with a 2 V battery (ideal wires). How many volts does each bulb get? =
  25. 25.True or false: “one out, the rest glow” is true of a series circuit. (a) True (b) False
  26. 26.💡 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) the same (c) brighter
  27. 27.🔗 Series or parallel circuit: “a break stops every bulb”? (a) series (b) parallel
  28. 28.💡 4 identical bulbs are joined in series with an 8 V battery (ideal wires). How many volts does each bulb get? =
  29. 29.🔗 Series or parallel circuit: “each gets the full volts”? (a) series (b) parallel
  30. 30.💡 4 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =
  31. 31.💡 3 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  32. 32.True or false: “a single current path” is true of a parallel circuit. (a) True (b) False
  33. 33.💡 3 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  34. 34.True or false: “a single current path” is true of a series 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.💡 5 identical bulbs are joined in series with a 5 V battery (ideal wires). How many volts does each bulb get? =
  37. 37.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) False (b) True
  38. 38.💡 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?
  39. 39.💡 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) Yes (b) No
  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) the same (b) brighter (c) dimmer

Answer key

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

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