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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 87 · 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 push button works only while pressed. (a) False (b) True
  2. 2.What does a reed switch do? (a) springs back when let go (b) flips up or down (c) closes near a magnet (d) slides side to side
  3. 3.🔘 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
  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 OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  5. 5.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a toggle switch (c) a push button (d) a reed switch
  6. 6.True or false: a toggle switch stays where you flip it. (a) False (b) True
  7. 7.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a reed switch (c) a push button (d) a toggle switch
  8. 8.🔘 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
  9. 9.True or false: a reed switch springs back when let go. (a) True (b) False
  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 OFF, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  11. 11.What does a push button do? (a) closes when tipped over (b) springs back when let go (c) stays where you flip it (d) closes near a magnet
  12. 12.What does a slide switch do? (a) slides side to side (b) closes when tipped over (c) closes near a magnet (d) stays where you flip it
  13. 13.What does a tilt switch do? (a) closes near a magnet (b) works only while pressed (c) flips up or down (d) closes when tipped over
  14. 14.What does a push button do? (a) slides side to side (b) stays where you flip it (c) works only while pressed (d) closes near a magnet
  15. 15.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a reed switch (c) a push button (d) a tilt switch
  16. 16.🔘 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?
  17. 17.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) only when both are OFF (c) never (d) when either is ON
  18. 18.🔘 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
  19. 19.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a tilt switch (c) a toggle switch (d) a push button
  20. 20.🔘 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) Yes (b) No
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  22. 22.True or false: a slide switch slides side to side. (a) True (b) False
  23. 23.🔘 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) Yes (b) No
  24. 24.True or false: a tilt switch closes when tipped over. (a) False (b) True
  25. 25.🔘 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
  26. 26.🔘 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
  27. 27.True or false: a slide switch springs back when let go. (a) False (b) True
  28. 28.True or false: a slide switch works only while pressed. (a) False (b) True
  29. 29.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when both are OFF (c) when both are ON (d) when either is ON
  30. 30.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  31. 31.🔘 Which kind of switch closes near a magnet? (a) a tilt switch (b) a push button (c) a toggle switch (d) a reed switch
  32. 32.True or false: a slide switch flips up or down. (a) True (b) False
  33. 33.🔘 Which kind of switch slides side to side? (a) a reed switch (b) a slide switch (c) a toggle switch (d) a push button
  34. 34.🔘 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 OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  35. 35.True or false: a toggle switch flips up or down. (a) False (b) True
  36. 36.🔘 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
  37. 37.True or false: a tilt switch slides side to side. (a) True (b) False
  38. 38.🔘 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
  39. 39.🔘 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
  40. 40.True or false: a push button flips up or down. (a) False (b) True

Answer key

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

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