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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 322 · 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: “one out, the rest glow” is true of a series circuit. (a) True (b) False
  2. 2.💡 In a series circuit, how many paths does the current have? (a) one (b) none (c) one for each bulb (d) two
  3. 3.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) in series (b) by Wi-Fi (c) in parallel (d) not joined
  4. 4.💡 A battery lights 2 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
  5. 5.True or false: “one bulb out, all go out” is true of a series circuit. (a) True (b) False
  6. 6.True or false: “own switch for each bulb” is true of a parallel circuit. (a) False (b) True
  7. 7.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) True (b) False
  8. 8.True or false: “many paths for current” is true of a series circuit. (a) True (b) False
  9. 9.💡 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) dimmer (c) the same
  10. 10.💡 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?
  11. 11.🔗 Series or parallel circuit: “many paths for current”? (a) series (b) parallel
  12. 12.True or false: “each gets the full volts” is true of a parallel circuit. (a) True (b) False
  13. 13.True or false: “used in house wiring” is true of a parallel circuit. (a) True (b) False
  14. 14.🔗 Series or parallel circuit: “a break stops every bulb”? (a) series (b) parallel
  15. 15.🔗 Series or parallel circuit: “own switch for each bulb”? (a) series (b) parallel
  16. 16.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) True (b) False
  17. 17.💡 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?
  18. 18.💡 2 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =
  19. 19.💡 5 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?
  20. 20.💡 3 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?
  21. 21.💡 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 3 glow? (a) Yes (b) No
  22. 22.True or false: “a single current path” is true of a parallel circuit. (a) True (b) False
  23. 23.True or false: “many paths for current” is true of a parallel circuit. (a) True (b) False
  24. 24.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) series (b) parallel
  25. 25.True or false: “used in house wiring” 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 3 is taken out of its holder. Does bulb 1 glow? (a) No (b) Yes
  27. 27.True or false: “each gets the full volts” is true of a series circuit. (a) True (b) False
  28. 28.🔗 Series or parallel circuit: “each gets the full volts”? (a) series (b) parallel
  29. 29.💡 5 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  30. 30.💡 3 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.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) parallel (b) series
  32. 32.🔗 Series or parallel circuit: “a single current path”? (a) parallel (b) series
  33. 33.💡 4 identical bulbs are joined in series with a 12 V battery (ideal wires). How many volts does each bulb get? =
  34. 34.💡 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
  35. 35.💡 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
  36. 36.💡 A battery lights 5 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
  37. 37.True or false: “bulbs share the voltage” is true of a series circuit. (a) True (b) False
  38. 38.💡 3 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  39. 39.💡 5 identical bulbs are joined in series with a 20 V battery (ideal wires). How many volts does each bulb get? =
  40. 40.🔗 Series or parallel circuit: “one out, the rest glow”? (a) series (b) parallel

Answer key

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

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