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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 437 · 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 15 V battery (ideal wires). How many volts does each bulb get? =
  2. 2.🔗 Series or parallel circuit: “a break stops every bulb”? (a) parallel (b) series
  3. 3.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) series (b) parallel
  4. 4.🔗 Series or parallel circuit: “each gets the full volts”? (a) parallel (b) series
  5. 5.True or false: “a single current path” is true of a parallel circuit. (a) True (b) False
  6. 6.True or false: “each gets the full volts” is true of a series circuit. (a) False (b) True
  7. 7.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) series (b) parallel
  8. 8.💡 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
  9. 9.💡 In a series circuit, how many paths does the current have? (a) one (b) none (c) two (d) one for each bulb
  10. 10.True or false: “own switch for each bulb” is true of a parallel circuit. (a) False (b) True
  11. 11.True or false: “each gets the full volts” is true of a parallel circuit. (a) False (b) True
  12. 12.💡 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) the same (c) brighter
  13. 13.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) True (b) False
  14. 14.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) in parallel (b) in series (c) not joined (d) by Wi-Fi
  15. 15.True or false: “one out, the rest glow” is true of a parallel circuit. (a) False (b) True
  16. 16.💡 2 identical bulbs are joined in series with a 5 V battery (ideal wires). How many volts does each bulb get? =
  17. 17.💡 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. How many bulbs glow?
  18. 18.True or false: “many paths for current” is true of a parallel circuit. (a) False (b) True
  19. 19.True or false: “a break stops every bulb” is true of a parallel circuit. (a) False (b) True
  20. 20.💡 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. How many bulbs glow?
  21. 21.💡 5 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 4 glow? (a) Yes (b) No
  22. 22.🔗 Series or parallel circuit: “one out, the rest glow”? (a) series (b) parallel
  23. 23.🔗 Series or parallel circuit: “own switch for each bulb”? (a) series (b) parallel
  24. 24.💡 3 identical bulbs are joined in series with a 4.5 V battery (ideal wires). How many volts does each bulb get? =
  25. 25.💡 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?
  26. 26.💡 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) the same (c) brighter
  27. 27.💡 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. Does bulb 3 glow? (a) No (b) Yes
  28. 28.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) True (b) False
  29. 29.🔗 Series or parallel circuit: “a single current path”? (a) series (b) parallel
  30. 30.🔗 Series or parallel circuit: “many paths for current”? (a) series (b) parallel
  31. 31.💡 2 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  32. 32.💡 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) No (b) Yes
  33. 33.True or false: “used in house wiring” is true of a series circuit. (a) True (b) False
  34. 34.💡 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?
  35. 35.True or false: “own switch for each bulb” is true of a series circuit. (a) False (b) True
  36. 36.💡 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
  37. 37.💡 5 identical bulbs are joined in series with a 20 V battery (ideal wires). How many volts does each bulb get? =
  38. 38.💡 4 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 12 V battery (ideal wires). How many volts does each bulb get? =
  40. 40.True or false: “a break stops every bulb” is true of a series circuit. (a) False (b) True

Answer key

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

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