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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 138 · 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 5 is taken out of its holder. Does bulb 1 glow? (a) Yes (b) No
  2. 2.🔗 Series or parallel circuit: “used in house wiring”? (a) parallel (b) series
  3. 3.💡 In a series circuit, how many paths does the current have? (a) none (b) one (c) one for each bulb (d) two
  4. 4.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) by Wi-Fi (b) in parallel (c) not joined (d) in series
  5. 5.True or false: “one out, the rest glow” is true of a series circuit. (a) True (b) False
  6. 6.💡 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
  7. 7.💡 4 identical bulbs are joined in series with an 8 V battery (ideal wires). How many volts does each bulb get? =
  8. 8.💡 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 5 glow? (a) No (b) Yes
  9. 9.🔗 Series or parallel circuit: “many paths for current”? (a) series (b) parallel
  10. 10.🔗 Series or parallel circuit: “each gets the full volts”? (a) parallel (b) series
  11. 11.🔗 Series or parallel circuit: “a single current path”? (a) parallel (b) series
  12. 12.💡 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?
  13. 13.🔗 Series or parallel circuit: “one out, the rest glow”? (a) parallel (b) series
  14. 14.🔗 Series or parallel circuit: “a break stops every bulb”? (a) parallel (b) series
  15. 15.True or false: “own switch for each bulb” is true of a series circuit. (a) True (b) False
  16. 16.True or false: “a single current path” is true of a parallel circuit. (a) False (b) True
  17. 17.💡 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?
  18. 18.True or false: “each gets the full volts” is true of a parallel circuit. (a) False (b) True
  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) brighter (c) dimmer
  20. 20.True or false: “each gets the full volts” is true of a series circuit. (a) False (b) True
  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.💡 2 identical bulbs are joined in series with a 2 V battery (ideal wires). How many volts does each bulb get? =
  23. 23.True or false: “a break stops every bulb” is true of a series circuit. (a) True (b) False
  24. 24.True or false: “one bulb out, all go out” is true of a series circuit. (a) False (b) True
  25. 25.💡 2 identical bulbs are joined in series with an 8 V battery (ideal wires). How many volts does each bulb get? =
  26. 26.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) parallel (b) series
  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.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) series (b) parallel
  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.💡 5 identical bulbs are joined in series with a 12.5 V battery (ideal wires). How many volts does each bulb get? =
  31. 31.💡 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) the same (c) dimmer
  32. 32.💡 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
  33. 33.💡 2 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  34. 34.True or false: “own switch for each bulb” is true of a parallel circuit. (a) False (b) True
  35. 35.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) True (b) False
  36. 36.True or false: “many paths for current” is true of a series circuit. (a) False (b) True
  37. 37.💡 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. How many bulbs glow?
  38. 38.💡 2 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =
  39. 39.💡 3 identical bulbs are joined in series with a 9 V battery (ideal wires). How many volts does each bulb get? =
  40. 40.💡 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. Does bulb 2 glow? (a) Yes (b) No

Answer key

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

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