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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 630 · 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.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) in series (b) not joined (c) in parallel (d) by Wi-Fi
  2. 2.🔗 Series or parallel circuit: “own switch for each bulb”? (a) series (b) parallel
  3. 3.🔗 Series or parallel circuit: “one out, the rest glow”? (a) parallel (b) series
  4. 4.💡 3 identical bulbs are joined in series with a 4.5 V battery (ideal wires). How many volts does each bulb get? =
  5. 5.💡 In a series circuit, how many paths does the current have? (a) one for each bulb (b) one (c) none (d) two
  6. 6.💡 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. Does bulb 2 glow? (a) No (b) Yes
  7. 7.🔗 Series or parallel circuit: “a break stops every bulb”? (a) parallel (b) series
  8. 8.💡 4 identical bulbs are joined in series with a 10 V battery (ideal wires). How many volts does each bulb get? =
  9. 9.💡 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
  10. 10.💡 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 4 glow? (a) Yes (b) No
  11. 11.💡 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
  12. 12.True or false: “used in house wiring” is true of a series circuit. (a) True (b) False
  13. 13.🔗 Series or parallel circuit: “many paths for current”? (a) series (b) parallel
  14. 14.💡 4 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  15. 15.💡 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?
  16. 16.🔗 Series or parallel circuit: “used in house wiring”? (a) parallel (b) series
  17. 17.💡 4 identical bulbs are joined in series with an 8 V battery (ideal wires). How many volts does each bulb get? =
  18. 18.💡 4 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) Yes (b) No
  19. 19.💡 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 4 glow? (a) No (b) Yes
  20. 20.💡 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?
  21. 21.True or false: “a break stops every bulb” is true of a parallel circuit. (a) False (b) True
  22. 22.True or false: “many paths for current” is true of a series circuit. (a) True (b) False
  23. 23.True or false: “a single current path” is true of a parallel circuit. (a) False (b) True
  24. 24.💡 5 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 4 glow? (a) No (b) Yes
  25. 25.🔗 Series or parallel circuit: “each gets the full volts”? (a) parallel (b) series
  26. 26.💡 4 identical bulbs are joined in series with a 12 V battery (ideal wires). How many volts does each bulb get? =
  27. 27.💡 5 identical bulbs are joined in series with a 15 V battery (ideal wires). How many volts does each bulb get? =
  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.💡 3 identical bulbs are joined in series with a 12 V battery (ideal wires). How many volts does each bulb get? =
  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.True or false: “used in house wiring” is true of a parallel circuit. (a) True (b) False
  32. 32.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) series (b) parallel
  33. 33.💡 2 identical bulbs are joined in series with a 2 V battery (ideal wires). How many volts does each bulb get? =
  34. 34.True or false: “one out, the rest glow” is true of a parallel circuit. (a) True (b) False
  35. 35.💡 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?
  36. 36.🔗 Series or parallel circuit: “a single current path”? (a) series (b) parallel
  37. 37.💡 2 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: “each gets the full volts” is true of a series circuit. (a) True (b) False
  39. 39.True or false: “own switch for each bulb” is true of a series circuit. (a) False (b) True
  40. 40.True or false: “each gets the full volts” is true of a parallel circuit. (a) True (b) False

Answer key

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

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