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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 264 · 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.🔘 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
  2. 2.What does a slide switch do? (a) works only while pressed (b) closes near a magnet (c) slides side to side (d) flips up or down
  3. 3.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a reed switch (c) a tilt switch (d) a toggle switch
  4. 4.True or false: a reed switch stays where you flip it. (a) True (b) False
  5. 5.What does a reed switch do? (a) stays where you flip it (b) works only while pressed (c) slides side to side (d) closes near a magnet
  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.🔘 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
  8. 8.🔘 A bulb and a cell are joined through 2 switches on 2 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?
  9. 9.True or false: a toggle switch closes when tipped over. (a) False (b) True
  10. 10.🔘 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) Yes (b) No
  11. 11.🔘 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 ON, C is OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  12. 12.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when both are ON (c) when either is ON (d) when both are OFF
  13. 13.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  14. 14.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) when either is ON (c) only when both are OFF (d) only when both are ON
  15. 15.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a slide switch (c) a toggle switch (d) a reed switch
  16. 16.What does a push button do? (a) springs back when let go (b) flips up or down (c) closes when tipped over (d) closes near a magnet
  17. 17.🔘 When a switch is ON, the circuit is … (a) cut (b) open (c) broken (d) closed
  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 ON, B is ON, C is ON and D is ON. Does the bulb glow? (a) Yes (b) No
  19. 19.🔘 A bulb and a cell are joined through 4 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  20. 20.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a push button (c) a slide switch (d) a tilt switch
  21. 21.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  22. 22.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a reed switch (c) a slide switch (d) a toggle switch
  23. 23.What does a push button do? (a) flips up or down (b) slides side to side (c) closes near a magnet (d) works only while pressed
  24. 24.True or false: a tilt switch works only while pressed. (a) True (b) False
  25. 25.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a toggle switch (c) a slide switch (d) a reed switch
  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) No (b) Yes
  27. 27.🔘 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
  28. 28.True or false: a toggle switch stays where you flip it. (a) True (b) False
  29. 29.True or false: a tilt switch stays where you flip it. (a) True (b) False
  30. 30.🔘 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 ON, C is ON and D is ON. Does the bulb glow? (a) No (b) Yes
  31. 31.What does a toggle switch do? (a) works only while pressed (b) stays where you flip it (c) closes when tipped over (d) closes near a magnet
  32. 32.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a reed switch (c) a slide switch (d) a toggle switch
  33. 33.True or false: a tilt switch springs back when let go. (a) True (b) False
  34. 34.True or false: a tilt switch flips up or down. (a) False (b) True
  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 ON and C is ON. Does the bulb glow? (a) Yes (b) No
  36. 36.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  37. 37.True or false: a slide switch flips up or down. (a) True (b) False
  38. 38.🔘 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 OFF, C is OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  39. 39.🔘 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?
  40. 40.🔘 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 ON and D is OFF. Does the bulb glow? (a) No (b) Yes

Answer key

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

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