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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 257 · 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.True or false: “each gets the full volts” is true of a series circuit. (a) True (b) False
  2. 2.🔗 Series or parallel circuit: “own switch for each bulb”? (a) series (b) parallel
  3. 3.True or false: “many paths for current” is true of a series circuit. (a) False (b) True
  4. 4.💡 A battery lights 5 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
  5. 5.💡 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 4 glow? (a) Yes (b) No
  6. 6.💡 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. Does bulb 1 glow? (a) Yes (b) No
  7. 7.🔗 Series or parallel circuit: “one out, the rest glow”? (a) parallel (b) series
  8. 8.💡 5 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  9. 9.🔗 Series or parallel circuit: “used in house wiring”? (a) series (b) parallel
  10. 10.💡 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
  11. 11.💡 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 4 glow? (a) Yes (b) No
  12. 12.💡 2 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =
  13. 13.💡 6 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?
  14. 14.True or false: “a single current path” is true of a series circuit. (a) False (b) True
  15. 15.💡 5 identical bulbs are joined in series with a 5 V battery (ideal wires). How many volts does each bulb get? =
  16. 16.True or false: “used in house wiring” is true of a parallel circuit. (a) True (b) False
  17. 17.💡 2 identical bulbs are joined in series with an 8 V battery (ideal wires). How many volts does each bulb get? =
  18. 18.🔗 Series or parallel circuit: “a single current path”? (a) parallel (b) series
  19. 19.💡 2 identical bulbs are joined in series with a 2 V battery (ideal wires). How many volts does each bulb get? =
  20. 20.True or false: “used in house wiring” is true of a series circuit. (a) True (b) False
  21. 21.💡 A battery lights 3 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
  22. 22.💡 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?
  23. 23.💡 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?
  24. 24.🔗 Series or parallel circuit: “many paths for current”? (a) parallel (b) series
  25. 25.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) False (b) True
  26. 26.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) parallel (b) series
  27. 27.💡 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
  28. 28.💡 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
  29. 29.💡 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?
  30. 30.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) by Wi-Fi (b) in parallel (c) not joined (d) in series
  31. 31.True or false: “a break stops every bulb” is true of a parallel circuit. (a) True (b) False
  32. 32.🔗 Series or parallel circuit: “a break stops every bulb”? (a) series (b) parallel
  33. 33.💡 4 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  34. 34.💡 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?
  35. 35.💡 In a series circuit, how many paths does the current have? (a) one for each bulb (b) none (c) two (d) one
  36. 36.💡 6 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?
  37. 37.💡 5 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. Does bulb 2 glow? (a) No (b) Yes
  38. 38.💡 5 identical bulbs are joined in series with a 10 V battery (ideal wires). How many volts does each bulb get? =
  39. 39.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) parallel (b) series
  40. 40.🔗 Series or parallel circuit: “each gets the full volts”? (a) series (b) parallel

Answer key

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

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