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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 23 · 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.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) by Wi-Fi (b) not joined (c) in parallel (d) in series
  2. 2.🔗 Series or parallel circuit: “a single current path”? (a) series (b) parallel
  3. 3.🔗 Series or parallel circuit: “one out, the rest glow”? (a) parallel (b) series
  4. 4.💡 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
  5. 5.💡 3 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  6. 6.💡 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?
  7. 7.💡 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
  8. 8.True or false: “each gets the full volts” is true of a parallel circuit. (a) False (b) True
  9. 9.True or false: “many paths for current” is true of a series circuit. (a) True (b) False
  10. 10.🔗 Series or parallel circuit: “own switch for each bulb”? (a) series (b) parallel
  11. 11.💡 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) No (b) Yes
  12. 12.💡 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
  13. 13.💡 6 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 5 glow? (a) No (b) Yes
  14. 14.🔗 Series or parallel circuit: “used in house wiring”? (a) series (b) parallel
  15. 15.True or false: “a single current path” is true of a parallel circuit. (a) False (b) True
  16. 16.💡 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) Yes (b) No
  17. 17.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) parallel (b) series
  18. 18.True or false: “one out, the rest glow” is true of a series circuit. (a) False (b) True
  19. 19.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) True (b) False
  20. 20.💡 In a series circuit, how many paths does the current have? (a) one for each bulb (b) one (c) none (d) two
  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) the same (b) brighter (c) dimmer
  22. 22.💡 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?
  23. 23.🔗 Series or parallel circuit: “a break stops every bulb”? (a) parallel (b) series
  24. 24.True or false: “one bulb out, all go out” is true of a series circuit. (a) False (b) True
  25. 25.💡 5 identical bulbs are joined in series with a 20 V battery (ideal wires). How many volts does each bulb get? =
  26. 26.💡 2 identical bulbs are joined in series with a 5 V battery (ideal wires). How many volts does each bulb get? =
  27. 27.True or false: “a break stops every bulb” is true of a parallel circuit. (a) True (b) False
  28. 28.True or false: “one out, the rest glow” is true of a parallel circuit. (a) False (b) True
  29. 29.🔗 Series or parallel circuit: “each gets the full volts”? (a) series (b) parallel
  30. 30.True or false: “each gets the full volts” is true of a series circuit. (a) True (b) False
  31. 31.True or false: “many paths for current” is true of a parallel circuit. (a) False (b) True
  32. 32.True or false: “used in house wiring” is true of a parallel circuit. (a) True (b) False
  33. 33.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) parallel (b) series
  34. 34.🔗 Series or parallel circuit: “many paths for current”? (a) parallel (b) series
  35. 35.💡 5 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  36. 36.💡 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 1 glow? (a) Yes (b) No
  37. 37.💡 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) brighter (c) dimmer
  38. 38.💡 2 identical bulbs are joined in series with an 8 V battery (ideal wires). How many volts does each bulb get? =
  39. 39.💡 3 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  40. 40.💡 3 identical bulbs are joined in series with a 9 V battery (ideal wires). How many volts does each bulb get? =

Answer key

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

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