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Electronics Worksheet: Series Circuits

Electronics lesson 8: Series circuits · Set 115 · 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.💡 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
  2. 2.🔗 Series or parallel circuit: “own switch for each bulb”? (a) parallel (b) series
  3. 3.💡 Old festival light strings went fully dark when one bulb failed. How were they joined? (a) not joined (b) in series (c) in parallel (d) by Wi-Fi
  4. 4.True or false: “one bulb out, all go out” is true of a parallel circuit. (a) True (b) False
  5. 5.💡 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. How many bulbs glow?
  6. 6.🔗 Series or parallel circuit: “bulbs share the voltage”? (a) parallel (b) series
  7. 7.💡 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) dimmer (c) the same
  8. 8.True or false: “a single current path” is true of a parallel circuit. (a) True (b) False
  9. 9.💡 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
  10. 10.💡 5 identical bulbs are joined in series with a 7.5 V battery (ideal wires). How many volts does each bulb get? =
  11. 11.🔗 Series or parallel circuit: “many paths for current”? (a) series (b) parallel
  12. 12.🔗 Series or parallel circuit: “a single current path”? (a) series (b) parallel
  13. 13.💡 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
  14. 14.💡 4 identical bulbs are joined in series with a 10 V battery (ideal wires). How many volts does each bulb get? =
  15. 15.💡 3 identical bulbs are joined in series with a 12 V battery (ideal wires). How many volts does each bulb get? =
  16. 16.💡 4 identical bulbs are joined in series with a 6 V battery (ideal wires). How many volts does each bulb get? =
  17. 17.💡 4 identical bulbs are joined in series with a 16 V battery (ideal wires). How many volts does each bulb get? =
  18. 18.True or false: “a single current path” is true of a series circuit. (a) True (b) False
  19. 19.🔗 Series or parallel circuit: “used in house wiring”? (a) series (b) parallel
  20. 20.💡 6 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
  21. 21.💡 5 identical bulbs are joined in series with a 5 V battery (ideal wires). How many volts does each bulb get? =
  22. 22.True or false: “one out, the rest glow” is true of a series circuit. (a) True (b) False
  23. 23.💡 5 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?
  24. 24.💡 In a series circuit, how many paths does the current have? (a) none (b) two (c) one (d) one for each bulb
  25. 25.True or false: “bulbs share the voltage” is true of a parallel circuit. (a) True (b) False
  26. 26.True or false: “a break stops every bulb” is true of a parallel circuit. (a) True (b) False
  27. 27.💡 2 identical bulbs are joined in series with a 4 V battery (ideal wires). How many volts does each bulb get? =
  28. 28.True or false: “a break stops every bulb” is true of a series circuit. (a) True (b) False
  29. 29.💡 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. How many bulbs glow?
  30. 30.True or false: “each gets the full volts” is true of a series circuit. (a) False (b) True
  31. 31.💡 4 identical bulbs are joined in series with a 4 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. Bulb 1 is taken out of its holder. How many bulbs glow?
  33. 33.💡 3 identical bulbs are joined in series with a 3 V battery (ideal wires). How many volts does each bulb get? =
  34. 34.🔗 Series or parallel circuit: “one bulb out, all go out”? (a) parallel (b) series
  35. 35.💡 5 identical bulbs are joined in series with a 20 V battery (ideal wires). How many volts does each bulb get? =
  36. 36.True or false: “many paths for current” is true of a parallel circuit. (a) True (b) False
  37. 37.True or false: “own switch for each bulb” is true of a parallel circuit. (a) False (b) True
  38. 38.💡 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?
  39. 39.🔗 Series or parallel circuit: “a break stops every bulb”? (a) series (b) parallel
  40. 40.💡 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 1 glow? (a) Yes (b) No

Answer key

  1. dimmer
  2. parallel
  3. in series
  4. False
  5. 0
  6. series
  7. dimmer
  8. False
  9. dimmer
  10. 1.5
  11. parallel
  12. series
  13. dimmer
  14. 2.5
  15. 4
  16. 1.5
  17. 4
  18. True
  19. parallel
  20. Yes
  21. 1
  22. False
  23. 0
  24. one
  25. False
  26. False
  27. 2
  28. True
  29. 0
  30. False
  31. 1
  32. 0
  33. 1
  34. series
  35. 4
  36. True
  37. True
  38. 0
  39. series
  40. Yes

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