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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 867 · 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.💡 4 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  2. 2.💡 In a series circuit, how many paths does the current have? (a) two (b) one (c) none (d) one for each bulb
  3. 3.🔗 Series or parallel circuit: “a break stops every bulb”? (a) series (b) parallel
  4. 4.💡 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. Does bulb 2 glow? (a) No (b) Yes
  5. 5.True or false: “each gets the full volts” is true of a parallel circuit. (a) False (b) True
  6. 6.True or false: “many paths for current” is true of a series circuit. (a) True (b) False
  7. 7.💡 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. Does bulb 4 glow? (a) No (b) Yes
  8. 8.💡 4 identical bulbs are joined in series with a 12 V battery (ideal wires). How many volts does each bulb get? =
  9. 9.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) series (b) parallel
  10. 10.True or false: “a single current path” is true of a series circuit. (a) False (b) True
  11. 11.🔗 Series or parallel circuit: “used in house wiring”? (a) parallel (b) series
  12. 12.💡 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 2 glow? (a) No (b) Yes
  13. 13.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) in parallel (b) not joined (c) by Wi-Fi (d) in series
  14. 14.💡 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. How many bulbs glow?
  15. 15.💡 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?
  16. 16.💡 3 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
  17. 17.💡 3 identical bulbs are joined in series with a 4.5 V battery (ideal wires). How many volts does each bulb get? =
  18. 18.🔗 Series or parallel circuit: “one out, the rest glow”? (a) series (b) parallel
  19. 19.💡 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?
  20. 20.🔗 Series or parallel circuit: “own switch for each bulb”? (a) parallel (b) series
  21. 21.True or false: “own switch for each bulb” is true of a series circuit. (a) False (b) True
  22. 22.True or false: “a break stops every bulb” is true of a parallel circuit. (a) True (b) False
  23. 23.💡 5 identical bulbs are joined in series with a 5 V battery (ideal wires). How many volts does each bulb get? =
  24. 24.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) False (b) True
  25. 25.🔗 Series or parallel circuit: “a single current path”? (a) parallel (b) series
  26. 26.💡 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
  27. 27.True or false: “one out, the rest glow” is true of a parallel circuit. (a) True (b) False
  28. 28.💡 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?
  29. 29.True or false: “used in house wiring” is true of a series circuit. (a) False (b) True
  30. 30.💡 5 identical bulbs are joined in series with a 10 V battery (ideal wires). How many volts does each bulb get? =
  31. 31.💡 5 identical bulbs are joined in series with a 15 V battery (ideal wires). How many volts does each bulb get? =
  32. 32.💡 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 1 glow? (a) No (b) Yes
  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.🔗 Series or parallel circuit: “each gets the full volts”? (a) parallel (b) series
  35. 35.💡 3 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  36. 36.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) series (b) parallel
  37. 37.🔗 Series or parallel circuit: “many paths for current”? (a) series (b) parallel
  38. 38.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) True (b) False
  39. 39.💡 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?
  40. 40.💡 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) dimmer (c) brighter

Answer key

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

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