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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 203 · 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.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) series (b) parallel
  2. 2.True or false: “many paths for current” is true of a series circuit. (a) False (b) True
  3. 3.💡 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. Does bulb 1 glow? (a) Yes (b) No
  4. 4.💡 6 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?
  5. 5.True or false: “own switch for each bulb” is true of a series circuit. (a) False (b) True
  6. 6.True or false: “a break stops every bulb” is true of a series circuit. (a) True (b) False
  7. 7.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) in parallel (b) by Wi-Fi (c) in series (d) not joined
  8. 8.💡 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?
  9. 9.💡 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?
  10. 10.💡 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
  11. 11.💡 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?
  12. 12.True or false: “own switch for each bulb” is true of a parallel circuit. (a) True (b) False
  13. 13.💡 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) the same (c) dimmer
  14. 14.💡 2 identical bulbs are joined in series with an 8 V battery (ideal wires). How many volts does each bulb get? =
  15. 15.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) parallel (b) series
  16. 16.🔗 Series or parallel circuit: “a break stops every bulb”? (a) parallel (b) series
  17. 17.💡 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?
  18. 18.True or false: “one out, the rest glow” is true of a series circuit. (a) True (b) False
  19. 19.True or false: “a break stops every bulb” is true of a parallel circuit. (a) True (b) False
  20. 20.True or false: “a single current path” is true of a parallel circuit. (a) False (b) True
  21. 21.💡 In a series circuit, how many paths does the current have? (a) one (b) none (c) two (d) one for each bulb
  22. 22.💡 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?
  23. 23.💡 4 identical bulbs are joined in series with a 10 V battery (ideal wires). How many volts does each bulb get? =
  24. 24.True or false: “used in house wiring” is true of a series circuit. (a) True (b) False
  25. 25.🔗 Series or parallel circuit: “used in house wiring”? (a) parallel (b) series
  26. 26.💡 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
  27. 27.True or false: “bulbs share the voltage” is true of a series circuit. (a) True (b) False
  28. 28.💡 5 identical bulbs are joined in series with a 12.5 V battery (ideal wires). How many volts does each bulb get? =
  29. 29.💡 5 identical bulbs are joined in series with a 15 V battery (ideal wires). How many volts does each bulb get? =
  30. 30.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) False (b) True
  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) the same (b) dimmer (c) brighter
  32. 32.True or false: “a single current path” is true of a series circuit. (a) True (b) False
  33. 33.True or false: “each gets the full volts” is true of a series circuit. (a) True (b) False
  34. 34.💡 3 identical bulbs are joined in series with a 12 V battery (ideal wires). How many volts does each bulb get? =
  35. 35.💡 3 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  36. 36.💡 3 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  37. 37.🔗 Series or parallel circuit: “own switch for each bulb”? (a) parallel (b) series
  38. 38.🔗 Series or parallel circuit: “a single current path”? (a) parallel (b) series
  39. 39.🔗 Series or parallel circuit: “one out, the rest glow”? (a) series (b) parallel
  40. 40.💡 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 1 glow? (a) No (b) Yes

Answer key

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

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