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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 71 · 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 closes when tipped over. (a) False (b) True
  2. 2.🔘 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
  3. 3.🔘 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) No (b) Yes
  4. 4.🔘 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) Yes (b) No
  5. 5.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a tilt switch (c) a reed switch (d) a slide switch
  6. 6.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a tilt switch (c) a reed switch (d) a push button
  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 ON, B is ON and C is ON. Does the bulb glow? (a) No (b) Yes
  8. 8.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a tilt switch (c) a toggle switch (d) a reed switch
  9. 9.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  10. 10.True or false: a toggle switch works only while pressed. (a) False (b) True
  11. 11.True or false: a tilt switch works only while pressed. (a) False (b) True
  12. 12.What does a push button do? (a) flips up or down (b) closes when tipped over (c) springs back when let go (d) stays where you flip it
  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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  14. 14.🔘 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) No (b) Yes
  15. 15.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) only when both are ON (c) only when both are OFF (d) never
  16. 16.What does a reed switch do? (a) closes when tipped over (b) closes near a magnet (c) flips up or down (d) stays where you flip it
  17. 17.🔘 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?
  18. 18.True or false: a tilt switch closes when tipped over. (a) True (b) False
  19. 19.🔘 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 ON and D is ON. Does the bulb glow? (a) Yes (b) No
  20. 20.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  21. 21.What does a toggle switch do? (a) works only while pressed (b) springs back when let go (c) slides side to side (d) flips up or down
  22. 22.True or false: a slide switch slides side to side. (a) True (b) False
  23. 23.What does a toggle switch do? (a) closes near a magnet (b) stays where you flip it (c) slides side to side (d) closes when tipped over
  24. 24.True or false: a reed switch stays where you flip it. (a) True (b) False
  25. 25.True or false: a push button springs back when let go. (a) False (b) True
  26. 26.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  27. 27.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  29. 29.True or false: a reed switch works only while pressed. (a) True (b) False
  30. 30.True or false: a toggle switch slides side to side. (a) False (b) True
  31. 31.True or false: a toggle switch flips up or down. (a) True (b) False
  32. 32.🔘 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
  33. 33.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when both are OFF (c) when either is ON (d) when both are ON
  34. 34.🔘 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) No (b) Yes
  35. 35.🔘 Which kind of switch closes when tipped over? (a) a push button (b) a toggle switch (c) a tilt switch (d) a reed switch
  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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  37. 37.What does a tilt switch do? (a) closes when tipped over (b) stays where you flip it (c) slides side to side (d) closes near a magnet
  38. 38.True or false: a push button works only while pressed. (a) False (b) True
  39. 39.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a slide switch (c) a toggle switch (d) a push button
  40. 40.🔘 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

Answer key

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

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