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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 372 · 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.💡 2 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =
  2. 2.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) not joined (b) by Wi-Fi (c) in series (d) in parallel
  3. 3.💡 3 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?
  4. 4.💡 2 identical bulbs are joined in series with a 2 V battery (ideal wires). How many volts does each bulb get? =
  5. 5.💡 5 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  6. 6.True or false: “many paths for current” is true of a parallel circuit. (a) True (b) False
  7. 7.💡 In a series circuit, how many paths does the current have? (a) one (b) two (c) none (d) one for each bulb
  8. 8.💡 4 identical bulbs are joined in series with an 8 V battery (ideal wires). How many volts does each bulb get? =
  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 5 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
  11. 11.💡 5 identical bulbs are joined in series with a 15 V battery (ideal wires). How many volts does each bulb get? =
  12. 12.💡 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?
  13. 13.🔗 Series or parallel circuit: “many paths for current”? (a) series (b) parallel
  14. 14.True or false: “one bulb out, all go out” is true of a series circuit. (a) True (b) False
  15. 15.💡 A battery lights 3 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
  16. 16.💡 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 3 glow? (a) Yes (b) No
  17. 17.True or false: “used in house wiring” is true of a parallel circuit. (a) False (b) True
  18. 18.🔗 Series or parallel circuit: “one out, the rest glow”? (a) series (b) parallel
  19. 19.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) parallel (b) series
  20. 20.True or false: “one out, the rest glow” is true of a parallel circuit. (a) False (b) True
  21. 21.🔗 Series or parallel circuit: “used in house wiring”? (a) parallel (b) series
  22. 22.True or false: “each gets the full volts” is true of a series circuit. (a) False (b) True
  23. 23.💡 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) No (b) Yes
  24. 24.💡 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) No (b) Yes
  25. 25.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) False (b) True
  26. 26.💡 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
  27. 27.True or false: “each gets the full volts” is true of a parallel circuit. (a) False (b) True
  28. 28.💡 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?
  29. 29.🔗 Series or parallel circuit: “each gets the full volts”? (a) parallel (b) series
  30. 30.💡 2 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  31. 31.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) parallel (b) series
  32. 32.True or false: “a single current path” is true of a parallel circuit. (a) True (b) False
  33. 33.💡 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. How many bulbs glow?
  34. 34.True or false: “bulbs share the voltage” is true of a series circuit. (a) False (b) True
  35. 35.💡 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
  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) brighter (b) dimmer (c) the same
  37. 37.💡 3 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  38. 38.True or false: “own switch for each bulb” is true of a parallel circuit. (a) False (b) True
  39. 39.🔗 Series or parallel circuit: “a break stops every bulb”? (a) parallel (b) series
  40. 40.🔗 Series or parallel circuit: “own switch for each bulb”? (a) parallel (b) series

Answer key

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

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