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Electronics Worksheet: Series Circuits

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

Answer key

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

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