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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 85 · 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 slide switch do? (a) works only while pressed (b) springs back when let go (c) stays where you flip it (d) slides side to side
  2. 2.🔘 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
  3. 3.What does a toggle switch do? (a) flips up or down (b) closes near a magnet (c) works only while pressed (d) springs back when let go
  4. 4.🔘 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?
  5. 5.🔘 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) No (b) Yes
  6. 6.🔘 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) Yes (b) No
  7. 7.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a push button (c) a slide switch (d) a reed switch
  8. 8.🔘 Which kind of switch flips up or down? (a) a push button (b) a toggle switch (c) a slide switch (d) a reed switch
  9. 9.🔘 A bulb and a cell are joined through 6 switches on 6 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?
  10. 10.True or false: a reed switch springs back when let go. (a) False (b) True
  11. 11.🔘 Which kind of switch springs back when let go? (a) a reed switch (b) a push button (c) a tilt switch (d) a slide switch
  12. 12.🔘 A bulb and a cell are joined through 3 switches on 3 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?
  13. 13.🔘 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 OFF, C is ON and D is ON. Does the bulb glow? (a) Yes (b) No
  14. 14.What does a push button do? (a) flips up or down (b) works only while pressed (c) stays where you flip it (d) slides side to side
  15. 15.True or false: a slide switch springs back when let go. (a) False (b) True
  16. 16.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are ON (c) never (d) when both are OFF
  17. 17.🔘 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
  18. 18.🔘 When a switch is ON, the circuit is … (a) cut (b) closed (c) open (d) broken
  19. 19.🔘 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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  20. 20.🔘 Which kind of switch closes near a magnet? (a) a tilt switch (b) a reed switch (c) a push button (d) a slide switch
  21. 21.🔘 A cell, a bulb and switches A, B, C and D are joined one after another in a single loop (series). A is ON, B is ON, C is OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  22. 22.🔘 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 OFF, C is OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  23. 23.🔘 A cell, a bulb and switches A, B, C and D are joined one after another in a single loop (series). A is ON, B is ON, C is ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  24. 24.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a push button (c) a toggle switch (d) a tilt switch
  25. 25.🔘 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
  26. 26.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  27. 27.What does a tilt switch do? (a) closes when tipped over (b) slides side to side (c) closes near a magnet (d) flips up or down
  28. 28.True or false: a slide switch slides side to side. (a) True (b) False
  29. 29.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) only when both are OFF (c) never (d) only when both are ON
  30. 30.True or false: a push button springs back when let go. (a) False (b) True
  31. 31.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  32. 32.🔘 A cell, a bulb and switches A, B, C and D are joined one after another in a single loop (series). A is ON, B is ON, C is OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  33. 33.🔘 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) No (b) Yes
  34. 34.What does a reed switch do? (a) closes near a magnet (b) works only while pressed (c) stays where you flip it (d) slides side to side
  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 ON, B is OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  36. 36.🔘 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) Yes (b) No
  37. 37.🔘 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 ON and C is ON. Does the bulb glow? (a) Yes (b) No
  38. 38.True or false: a push button works only while pressed. (a) False (b) True
  39. 39.True or false: a toggle switch closes near a magnet. (a) False (b) True
  40. 40.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a slide switch (c) a reed switch (d) a push button

Answer key

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

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