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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 237 · 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 9 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) by Wi-Fi (b) not joined (c) in parallel (d) in series
  3. 3.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) True (b) False
  4. 4.True or false: “used in house wiring” is true of a series circuit. (a) False (b) True
  5. 5.💡 A battery lights 4 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
  6. 6.🔗 Series or parallel circuit: “used in house wiring”? (a) series (b) parallel
  7. 7.True or false: “a break stops every bulb” is true of a series circuit. (a) True (b) False
  8. 8.💡 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 1 glow? (a) Yes (b) No
  9. 9.True or false: “one out, the rest glow” is true of a parallel circuit. (a) False (b) True
  10. 10.💡 4 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?
  11. 11.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) parallel (b) series
  12. 12.True or false: “bulbs share the voltage” is true of a series circuit. (a) False (b) True
  13. 13.🔗 Series or parallel circuit: “many paths for current”? (a) series (b) parallel
  14. 14.💡 In a series circuit, how many paths does the current have? (a) one (b) none (c) two (d) one for each bulb
  15. 15.True or false: “a break stops every bulb” is true of a parallel circuit. (a) True (b) False
  16. 16.🔗 Series or parallel circuit: “each gets the full volts”? (a) series (b) parallel
  17. 17.💡 4 identical bulbs are joined in series with a 12 V battery (ideal wires). How many volts does each bulb get? =
  18. 18.🔗 Series or parallel circuit: “a single current path”? (a) series (b) parallel
  19. 19.💡 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. How many bulbs glow?
  20. 20.True or false: “a single current path” is true of a parallel circuit. (a) False (b) True
  21. 21.💡 A battery lights 2 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
  22. 22.True or false: “own switch for each bulb” is true of a parallel circuit. (a) False (b) True
  23. 23.💡 3 identical bulbs are joined in series with a 4.5 V battery (ideal wires). How many volts does each bulb get? =
  24. 24.💡 3 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  25. 25.💡 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
  26. 26.🔗 Series or parallel circuit: “a break stops every bulb”? (a) series (b) parallel
  27. 27.💡 5 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  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. Does bulb 4 glow? (a) No (b) Yes
  29. 29.True or false: “many paths for current” is true of a series circuit. (a) False (b) True
  30. 30.💡 4 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: “one out, the rest glow”? (a) series (b) parallel
  32. 32.🔗 Series or parallel circuit: “own switch for each bulb”? (a) parallel (b) series
  33. 33.💡 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 2 glow? (a) Yes (b) No
  34. 34.💡 2 identical bulbs are joined in series with a 2 V battery (ideal wires). How many volts does each bulb get? =
  35. 35.True or false: “one out, the rest glow” is true of a series circuit. (a) True (b) False
  36. 36.💡 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?
  37. 37.💡 5 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?
  38. 38.💡 4 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =
  39. 39.💡 2 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  40. 40.💡 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?

Answer key

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

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