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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 114 · 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.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  2. 2.What does a slide switch do? (a) works only while pressed (b) closes near a magnet (c) flips up or down (d) slides side to side
  3. 3.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a toggle switch (c) a reed switch (d) a slide switch
  4. 4.What does a tilt switch do? (a) flips up or down (b) closes near a magnet (c) springs back when let go (d) closes when tipped over
  5. 5.What does a push button do? (a) closes near a magnet (b) works only while pressed (c) flips up or down (d) slides side to side
  6. 6.🔘 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?
  7. 7.🔘 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) Yes (b) No
  8. 8.🔘 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) No (b) Yes
  9. 9.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) never (c) only when both are ON (d) when either is ON
  10. 10.🔘 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 OFF and B is OFF. Does the bulb glow? (a) No (b) Yes
  11. 11.🔘 A bulb and a cell are joined through 4 switches on 4 side-by-side paths, one switch on each path (parallel). What is the smallest number of switches that must be ON to light the bulb?
  12. 12.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a toggle switch (c) a tilt switch (d) a reed switch
  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.🔘 When a switch is ON, the circuit is … (a) broken (b) closed (c) open (d) cut
  15. 15.🔘 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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  16. 16.True or false: a slide switch slides side to side. (a) True (b) False
  17. 17.🔘 A cell, a bulb and switches A, B, C and D are joined one after another in a single loop (series). A is OFF, B is ON, C is ON and D is ON. Does the bulb glow? (a) Yes (b) No
  18. 18.🔘 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 OFF, B is OFF, C is OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  19. 19.What does a reed switch do? (a) closes when tipped over (b) closes near a magnet (c) springs back when let go (d) flips up or down
  20. 20.🔘 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
  21. 21.True or false: a tilt switch flips up or down. (a) False (b) True
  22. 22.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are OFF (c) when both are ON (d) never
  23. 23.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  24. 24.True or false: a reed switch closes near a magnet. (a) True (b) False
  25. 25.What does a push button do? (a) slides side to side (b) stays where you flip it (c) closes when tipped over (d) springs back when let go
  26. 26.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a reed switch (c) a tilt switch (d) a push button
  27. 27.What does a toggle switch do? (a) closes near a magnet (b) works only while pressed (c) flips up or down (d) closes when tipped over
  28. 28.True or false: a toggle switch works only while pressed. (a) True (b) False
  29. 29.True or false: a toggle switch closes near a magnet. (a) True (b) False
  30. 30.🔘 A bulb and a cell are joined through 2 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  31. 31.True or false: a toggle switch stays where you flip it. (a) False (b) True
  32. 32.🔘 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
  33. 33.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a toggle switch (c) a reed switch (d) a slide switch
  34. 34.🔘 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 ON, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  35. 35.🔘 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 OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  36. 36.True or false: a tilt switch stays where you flip it. (a) True (b) False
  37. 37.🔘 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) Yes (b) No
  38. 38.True or false: a toggle switch closes when tipped over. (a) False (b) True
  39. 39.🔘 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 ON, B is ON and C is ON. Does the bulb glow? (a) Yes (b) No
  40. 40.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a toggle switch (c) a push button (d) a tilt switch

Answer key

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

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