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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 10 · 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.💡 In a series circuit, how many paths does the current have? (a) one for each bulb (b) one (c) none (d) two
  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 parallel (d) in series
  3. 3.💡 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
  4. 4.True or false: “many paths for current” is true of a series circuit. (a) False (b) True
  5. 5.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) False (b) True
  6. 6.💡 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?
  7. 7.💡 4 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  8. 8.💡 2 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
  9. 9.💡 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 3 glow? (a) No (b) Yes
  10. 10.🔗 Series or parallel circuit: “many paths for current”? (a) parallel (b) series
  11. 11.🔗 Series or parallel circuit: “a single current path”? (a) series (b) parallel
  12. 12.💡 6 identical bulbs are joined in series with a battery and a closed switch on the main wire. Bulb 6 is taken out of its holder. How many bulbs glow?
  13. 13.True or false: “used in house wiring” is true of a series circuit. (a) False (b) True
  14. 14.True or false: “used in house wiring” is true of a parallel circuit. (a) True (b) False
  15. 15.💡 4 identical bulbs are joined in series with a 10 V battery (ideal wires). How many volts does each bulb get? =
  16. 16.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) False (b) True
  17. 17.💡 3 identical bulbs are joined in series with a 12 V battery (ideal wires). How many volts does each bulb get? =
  18. 18.True or false: “a single current path” is true of a parallel circuit. (a) False (b) True
  19. 19.🔗 Series or parallel circuit: “a break stops every bulb”? (a) parallel (b) series
  20. 20.🔗 Series or parallel circuit: “used in house wiring”? (a) parallel (b) series
  21. 21.💡 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
  22. 22.💡 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
  23. 23.True or false: “own switch for each bulb” is true of a series circuit. (a) False (b) True
  24. 24.💡 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 4 glow? (a) No (b) Yes
  25. 25.💡 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. How many bulbs glow?
  26. 26.💡 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?
  27. 27.True or false: “one bulb out, all go out” is true of a series circuit. (a) False (b) True
  28. 28.True or false: “a break stops every bulb” is true of a parallel circuit. (a) True (b) False
  29. 29.💡 2 identical bulbs are joined in series with an 8 V battery (ideal wires). How many volts does each bulb get? =
  30. 30.🔗 Series or parallel circuit: “one out, the rest glow”? (a) parallel (b) series
  31. 31.💡 5 identical bulbs are joined in series with a 10 V battery (ideal wires). How many volts does each bulb get? =
  32. 32.💡 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 5 glow? (a) Yes (b) No
  33. 33.💡 5 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  34. 34.💡 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. How many bulbs glow?
  35. 35.💡 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 5 glow? (a) No (b) Yes
  36. 36.True or false: “a break stops every bulb” is true of a series circuit. (a) False (b) True
  37. 37.True or false: “bulbs share the voltage” is true of a series circuit. (a) True (b) False
  38. 38.💡 5 identical bulbs are joined in series with a 5 V battery (ideal wires). How many volts does each bulb get? =
  39. 39.True or false: “own switch for each bulb” is true of a parallel circuit. (a) False (b) True
  40. 40.🔗 Series or parallel circuit: “each gets the full volts”? (a) parallel (b) series

Answer key

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

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