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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 598 · 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.True or false: a slide switch works only while pressed. (a) True (b) False
  2. 2.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a reed switch (c) a toggle switch (d) a tilt switch
  3. 3.🔘 When a switch is ON, the circuit is … (a) broken (b) open (c) closed (d) cut
  4. 4.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) never (c) when either is ON (d) when both are OFF
  5. 5.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a push button (c) a slide switch (d) a tilt switch
  6. 6.True or false: a reed switch stays where you flip it. (a) True (b) False
  7. 7.🔘 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?
  8. 8.🔘 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
  9. 9.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  10. 10.What does a toggle switch do? (a) springs back when let go (b) closes near a magnet (c) closes when tipped over (d) flips up or down
  11. 11.True or false: a toggle switch stays where you flip it. (a) False (b) True
  12. 12.True or false: a push button works only while pressed. (a) False (b) True
  13. 13.True or false: a reed switch closes near a magnet. (a) True (b) False
  14. 14.🔘 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
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  16. 16.True or false: a slide switch closes when tipped over. (a) False (b) True
  17. 17.🔘 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
  18. 18.What does a reed switch do? (a) stays where you flip it (b) closes near a magnet (c) works only while pressed (d) springs back when let go
  19. 19.🔘 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) Yes (b) No
  20. 20.What does a push button do? (a) flips up or down (b) works only while pressed (c) stays where you flip it (d) closes near a magnet
  21. 21.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a push button (c) a slide switch (d) a toggle switch
  22. 22.What does a tilt switch do? (a) stays where you flip it (b) closes near a magnet (c) closes when tipped over (d) springs back when let go
  23. 23.What does a push button do? (a) slides side to side (b) springs back when let go (c) stays where you flip it (d) flips up or down
  24. 24.🔘 A bulb and a cell are joined through 5 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  25. 25.What does a slide switch do? (a) closes near a magnet (b) springs back when let go (c) works only while pressed (d) slides side to side
  26. 26.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  27. 27.🔘 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?
  28. 28.🔘 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) No (b) Yes
  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 OFF, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  30. 30.🔘 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) Yes (b) No
  31. 31.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a reed switch (c) a tilt switch (d) a toggle switch
  32. 32.🔘 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?
  33. 33.True or false: a slide switch slides side to side. (a) False (b) True
  34. 34.True or false: a reed switch flips up or down. (a) False (b) True
  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.🔘 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
  37. 37.🔘 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
  38. 38.What does a toggle switch do? (a) closes when tipped over (b) closes near a magnet (c) springs back when let go (d) stays where you flip it
  39. 39.True or false: a push button springs back when let go. (a) False (b) True
  40. 40.🔘 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) Yes (b) No

Answer key

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

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