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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 569 · 40 questions
TalentJR

Remember (All for series, any for parallel): Series switches (one path): the bulb glows only if ALL are ON. Parallel switches (side-by-side paths): the bulb glows if ANY one is ON. Mixed: work out each path, then ask if there is at least one complete path.

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  1. 1.🔘 What does a switch do in a circuit? (a) stores current (b) changes the voltage (c) makes electricity (d) opens or closes the loop
  2. 2.True or false: a toggle switch springs back when let go. (a) True (b) False
  3. 3.🔘 A cell, a bulb and switches A, B and C are joined one after another in a single loop (series). A is OFF, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  4. 4.🔘 Switch A is on the main wire next to the cell and the bulb; then the wire splits into two side-by-side paths, one with switch B and one with switch C. A is OFF, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  5. 5.True or false: a slide switch flips up or down. (a) True (b) False
  6. 6.What does a reed switch do? (a) closes near a magnet (b) slides side to side (c) flips up or down (d) stays where you flip it
  7. 7.🔘 A cell, a bulb and switches A, B and C are joined one after another in a single loop (series). A is ON, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  8. 8.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a reed switch (c) a toggle switch (d) a push button
  9. 9.🔘 A cell, a bulb and switches A and B are joined one after another in a single loop (series). A is ON and B is OFF. Does the bulb glow? (a) No (b) Yes
  10. 10.What does a tilt switch do? (a) works only while pressed (b) springs back when let go (c) slides side to side (d) closes when tipped over
  11. 11.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) never (c) only when both are OFF (d) only when both are ON
  12. 12.True or false: a push button closes when tipped over. (a) True (b) False
  13. 13.🔘 Switch A is on the main wire next to the cell and the bulb; then the wire splits into two side-by-side paths, one with switch B and one with switch C. A is OFF, B is OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  14. 14.🔘 A cell and a bulb are joined to 3 side-by-side paths with one switch on each path — A, B and C (parallel). A is OFF, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  15. 15.🔘 Which kind of switch slides side to side? (a) a push button (b) a slide switch (c) a reed switch (d) a toggle switch
  16. 16.True or false: a reed switch closes when tipped over. (a) True (b) False
  17. 17.What does a toggle switch do? (a) closes when tipped over (b) slides side to side (c) works only while pressed (d) flips up or down
  18. 18.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a reed switch (c) a tilt switch (d) a push button
  19. 19.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a reed switch (c) a toggle switch (d) a tilt switch
  20. 20.What does a slide switch do? (a) slides side to side (b) springs back when let go (c) closes when tipped over (d) stays where you flip it
  21. 21.🔘 A cell, a bulb and switches A, B and C are joined one after another in a single loop (series). A is OFF, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  22. 22.What does a push button do? (a) stays where you flip it (b) flips up or down (c) works only while pressed (d) closes near a magnet
  23. 23.🔘 When a switch is ON, the circuit is … (a) cut (b) broken (c) closed (d) open
  24. 24.True or false: a reed switch flips up or down. (a) True (b) False
  25. 25.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a push button
  26. 26.🔘 A cell, a bulb and switches A and B are joined one after another in a single loop (series). A is OFF and B is OFF. Does the bulb glow? (a) Yes (b) No
  27. 27.🔘 A cell and a bulb are joined to 2 side-by-side paths with one switch on each path — A and B (parallel). A is ON and B is OFF. Does the bulb glow? (a) No (b) Yes
  28. 28.🔘 A bulb and a cell are joined through 6 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  29. 29.🔘 Switch A is on the main wire next to the cell and the bulb; then the wire splits into two side-by-side paths, one with switch B and one with switch C. A is ON, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  30. 30.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) when either is ON (c) when both are OFF (d) never
  31. 31.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a toggle switch (c) a push button (d) a slide switch
  32. 32.🔘 A bulb and a cell are joined through 3 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  33. 33.🔘 A cell and a bulb are joined to two side-by-side paths: path 1 has switches A and B one after another, path 2 has switch C. A is OFF, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  34. 34.🔘 A cell, a bulb and switches A, B and C are joined one after another in a single loop (series). A is ON, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  35. 35.🔘 Switch A is on the main wire next to the cell and the bulb; then the wire splits into two side-by-side paths, one with switch B and one with switch C. A is OFF, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  36. 36.🔘 A cell and a bulb are joined to 4 side-by-side paths with one switch on each path — A, B, C and D (parallel). A is ON, B is OFF, C is OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  37. 37.True or false: a toggle switch closes near a magnet. (a) False (b) True
  38. 38.True or false: a tilt switch closes when tipped over. (a) False (b) True
  39. 39.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a push button (c) a toggle switch (d) a tilt switch
  40. 40.True or false: a push button springs back when let go. (a) False (b) True

Answer key

  1. opens or closes the loop
  2. False
  3. No
  4. No
  5. False
  6. closes near a magnet
  7. No
  8. a push button
  9. No
  10. closes when tipped over
  11. when either is ON
  12. False
  13. No
  14. No
  15. a slide switch
  16. False
  17. flips up or down
  18. a reed switch
  19. a toggle switch
  20. slides side to side
  21. No
  22. works only while pressed
  23. closed
  24. False
  25. a toggle switch
  26. No
  27. Yes
  28. 6
  29. No
  30. when both are ON
  31. a push button
  32. 3
  33. No
  34. No
  35. No
  36. Yes
  37. False
  38. True
  39. a tilt switch
  40. True

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