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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 380 · 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. Bulb 1 is taken out of its holder. How many bulbs glow?
  2. 2.💡 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
  3. 3.💡 2 identical bulbs are joined in series with an 8 V battery (ideal wires). How many volts does each bulb get? =
  4. 4.True or false: “a single current path” is true of a parallel circuit. (a) True (b) False
  5. 5.💡 In a series circuit, how many paths does the current have? (a) two (b) one for each bulb (c) none (d) one
  6. 6.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) parallel (b) series
  7. 7.💡 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
  8. 8.🔗 Series or parallel circuit: “used in house wiring”? (a) series (b) parallel
  9. 9.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) series (b) parallel
  10. 10.True or false: “a break stops every bulb” is true of a parallel circuit. (a) True (b) False
  11. 11.💡 4 identical bulbs are joined in series with an 8 V battery (ideal wires). How many volts does each bulb get? =
  12. 12.🔗 Series or parallel circuit: “a single current path”? (a) parallel (b) series
  13. 13.🔗 Series or parallel circuit: “one out, the rest glow”? (a) parallel (b) series
  14. 14.True or false: “many paths for current” is true of a series circuit. (a) False (b) True
  15. 15.True or false: “one bulb out, all go out” is true of a series circuit. (a) True (b) False
  16. 16.True or false: “used in house wiring” is true of a series circuit. (a) True (b) False
  17. 17.🔗 Series or parallel circuit: “own switch for each bulb”? (a) series (b) parallel
  18. 18.💡 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
  19. 19.💡 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
  20. 20.🔗 Series or parallel circuit: “many paths for current”? (a) series (b) parallel
  21. 21.💡 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) brighter (c) the same
  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.True or false: “a single current path” is true of a series circuit. (a) False (b) True
  24. 24.🔗 Series or parallel circuit: “each gets the full volts”? (a) series (b) parallel
  25. 25.💡 5 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  26. 26.True or false: “bulbs share the voltage” is true of a series circuit. (a) True (b) False
  27. 27.💡 2 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  28. 28.💡 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?
  29. 29.💡 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?
  30. 30.True or false: “each gets the full volts” is true of a series circuit. (a) False (b) True
  31. 31.💡 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
  32. 32.True or false: “one out, the rest glow” is true of a series circuit. (a) False (b) True
  33. 33.💡 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 2 glow? (a) No (b) Yes
  34. 34.💡 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) No (b) Yes
  35. 35.💡 4 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. How many bulbs glow?
  36. 36.💡 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) Yes (b) No
  37. 37.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) False (b) True
  38. 38.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) True (b) False
  39. 39.True or false: “own switch for each bulb” is true of a series circuit. (a) False (b) True
  40. 40.💡 2 identical bulbs are joined in series with a 2 V battery (ideal wires). How many volts does each bulb get? =

Answer key

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

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