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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 227 · 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 battery and a closed switch on the main wire. Bulb 1 is taken out of its holder. How many bulbs glow?
  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: “one bulb out, all go out” is true of a series circuit. (a) False (b) True
  4. 4.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) True (b) False
  5. 5.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) parallel (b) series
  6. 6.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) series (b) parallel
  7. 7.🔗 Series or parallel circuit: “one out, the rest glow”? (a) parallel (b) series
  8. 8.💡 2 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  9. 9.💡 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) dimmer (c) the same
  10. 10.💡 3 identical bulbs are joined in series with a 4.5 V battery (ideal wires). How many volts does each bulb get? =
  11. 11.💡 In a series circuit, how many paths does the current have? (a) none (b) two (c) one (d) one for each bulb
  12. 12.True or false: “each gets the full volts” is true of a series circuit. (a) True (b) False
  13. 13.🔗 Series or parallel circuit: “a break stops every bulb”? (a) series (b) parallel
  14. 14.True or false: “own switch for each bulb” is true of a series circuit. (a) True (b) False
  15. 15.🔗 Series or parallel circuit: “a single current path”? (a) parallel (b) series
  16. 16.💡 A battery lights 3 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
  17. 17.True or false: “one out, the rest glow” is true of a series circuit. (a) False (b) True
  18. 18.💡 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) No (b) Yes
  19. 19.💡 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?
  20. 20.💡 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) dimmer (c) brighter
  21. 21.💡 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?
  22. 22.💡 3 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?
  23. 23.🔗 Series or parallel circuit: “used in house wiring”? (a) series (b) parallel
  24. 24.💡 A battery lights 5 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
  25. 25.💡 2 identical bulbs are joined in series with a 2 V battery (ideal wires). How many volts does each bulb get? =
  26. 26.True or false: “used in house wiring” is true of a parallel circuit. (a) False (b) True
  27. 27.True or false: “used in house wiring” is true of a series circuit. (a) False (b) True
  28. 28.💡 4 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =
  29. 29.🔗 Series or parallel circuit: “many paths for current”? (a) series (b) parallel
  30. 30.💡 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?
  31. 31.🔗 Series or parallel circuit: “each gets the full volts”? (a) parallel (b) series
  32. 32.💡 3 identical bulbs are joined in series with a 12 V battery (ideal wires). How many volts does each bulb get? =
  33. 33.💡 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?
  34. 34.True or false: “own switch for each bulb” is true of a parallel circuit. (a) False (b) True
  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: “one out, the rest glow” is true of a parallel circuit. (a) False (b) True
  37. 37.💡 4 identical bulbs are joined in series with an 8 V battery (ideal wires). How many volts does each bulb get? =
  38. 38.💡 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?
  39. 39.💡 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. Does bulb 1 glow? (a) Yes (b) No
  40. 40.💡 5 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) No (b) Yes

Answer key

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

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