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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 559 · 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.💡 3 identical bulbs are joined in series with a 4.5 V battery (ideal wires). How many volts does each bulb get? =
  2. 2.💡 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) brighter (c) dimmer
  3. 3.💡 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
  4. 4.🔗 Series or parallel circuit: “a single current path”? (a) parallel (b) series
  5. 5.💡 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?
  6. 6.💡 5 identical bulbs are joined in series with a 5 V battery (ideal wires). How many volts does each bulb get? =
  7. 7.🔗 Series or parallel circuit: “one out, the rest glow”? (a) series (b) parallel
  8. 8.💡 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. How many bulbs glow?
  9. 9.🔗 Series or parallel circuit: “own switch for each bulb”? (a) parallel (b) series
  10. 10.True or false: “used in house wiring” is true of a series circuit. (a) False (b) True
  11. 11.💡 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?
  12. 12.🔗 Series or parallel circuit: “a break stops every bulb”? (a) series (b) parallel
  13. 13.🔗 Series or parallel circuit: “many paths for current”? (a) parallel (b) series
  14. 14.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) in parallel (b) not joined (c) in series (d) by Wi-Fi
  15. 15.True or false: “a break stops every bulb” is true of a parallel circuit. (a) True (b) False
  16. 16.💡 In a series circuit, how many paths does the current have? (a) one (b) one for each bulb (c) none (d) two
  17. 17.True or false: “one out, the rest glow” is true of a series circuit. (a) False (b) True
  18. 18.💡 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?
  19. 19.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) False (b) True
  20. 20.💡 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. Does bulb 3 glow? (a) No (b) Yes
  21. 21.True or false: “a single current path” is true of a parallel circuit. (a) True (b) False
  22. 22.💡 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
  23. 23.True or false: “each gets the full volts” is true of a parallel circuit. (a) True (b) False
  24. 24.💡 2 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  25. 25.💡 4 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?
  26. 26.💡 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?
  27. 27.True or false: “one out, the rest glow” is true of a parallel circuit. (a) False (b) True
  28. 28.💡 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) brighter (c) dimmer
  29. 29.💡 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?
  30. 30.🔗 Series or parallel circuit: “each gets the full volts”? (a) series (b) parallel
  31. 31.💡 2 identical bulbs are joined in series with a 2 V battery (ideal wires). How many volts does each bulb get? =
  32. 32.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) True (b) False
  33. 33.💡 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. How many bulbs glow?
  34. 34.💡 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?
  35. 35.💡 3 identical bulbs are joined in series with a 9 V battery (ideal wires). How many volts does each bulb get? =
  36. 36.True or false: “used in house wiring” is true of a parallel circuit. (a) False (b) True
  37. 37.True or false: “many paths for current” is true of a series circuit. (a) True (b) False
  38. 38.💡 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
  39. 39.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) series (b) parallel
  40. 40.💡 4 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =

Answer key

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

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