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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 49 · 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 2 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
  2. 2.True or false: “one out, the rest glow” is true of a parallel circuit. (a) True (b) False
  3. 3.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) True (b) False
  4. 4.💡 4 identical bulbs are joined in series with a 10 V battery (ideal wires). How many volts does each bulb get? =
  5. 5.💡 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
  6. 6.🔗 Series or parallel circuit: “a single current path”? (a) parallel (b) series
  7. 7.💡 2 identical bulbs are joined in series with a 2 V battery (ideal wires). How many volts does each bulb get? =
  8. 8.💡 In a series circuit, how many paths does the current have? (a) one for each bulb (b) two (c) one (d) none
  9. 9.💡 4 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
  10. 10.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) in series (b) by Wi-Fi (c) not joined (d) in parallel
  11. 11.🔗 Series or parallel circuit: “a break stops every bulb”? (a) parallel (b) series
  12. 12.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) parallel (b) series
  13. 13.True or false: “a single current path” is true of a series circuit. (a) False (b) True
  14. 14.True or false: “many paths for current” is true of a parallel circuit. (a) True (b) False
  15. 15.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) parallel (b) series
  16. 16.True or false: “a break stops every bulb” is true of a series circuit. (a) False (b) True
  17. 17.💡 2 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  18. 18.💡 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
  19. 19.💡 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 1 glow? (a) Yes (b) No
  20. 20.🔗 Series or parallel circuit: “own switch for each bulb”? (a) series (b) parallel
  21. 21.True or false: “a break stops every bulb” is true of a parallel circuit. (a) False (b) True
  22. 22.💡 2 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =
  23. 23.True or false: “own switch for each bulb” is true of a parallel circuit. (a) True (b) False
  24. 24.💡 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?
  25. 25.💡 3 identical bulbs are joined in series with a 9 V battery (ideal wires). How many volts does each bulb get? =
  26. 26.💡 2 identical bulbs are joined in series with an 8 V battery (ideal wires). How many volts does each bulb get? =
  27. 27.💡 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?
  28. 28.True or false: “one out, the rest glow” is true of a series circuit. (a) False (b) True
  29. 29.💡 4 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  30. 30.True or false: “bulbs share the voltage” is true of a series circuit. (a) False (b) True
  31. 31.🔗 Series or parallel circuit: “many paths for current”? (a) parallel (b) series
  32. 32.🔗 Series or parallel circuit: “one out, the rest glow”? (a) parallel (b) series
  33. 33.💡 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. How many bulbs glow?
  34. 34.💡 3 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  35. 35.💡 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. Does bulb 3 glow? (a) Yes (b) No
  36. 36.💡 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) No (b) Yes
  37. 37.True or false: “used in house wiring” is true of a series circuit. (a) True (b) False
  38. 38.🔗 Series or parallel circuit: “used in house wiring”? (a) series (b) parallel
  39. 39.True or false: “used in house wiring” is true of a parallel circuit. (a) False (b) True
  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) brighter (b) dimmer (c) the same

Answer key

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

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