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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 656 · 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.🔘 When a switch is ON, the circuit is … (a) open (b) cut (c) broken (d) closed
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  3. 3.🔘 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
  4. 4.True or false: a push button works only while pressed. (a) True (b) False
  5. 5.True or false: a tilt switch closes when tipped over. (a) False (b) True
  6. 6.🔘 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) No (b) Yes
  7. 7.What does a toggle switch do? (a) slides side to side (b) works only while pressed (c) springs back when let go (d) flips up or down
  8. 8.True or false: a toggle switch flips up or down. (a) True (b) False
  9. 9.🔘 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
  10. 10.🔘 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?
  11. 11.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a reed switch (c) a toggle switch (d) a tilt switch
  12. 12.🔘 Which kind of switch closes near a magnet? (a) a reed switch (b) a toggle switch (c) a push button (d) a tilt switch
  13. 13.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  14. 14.True or false: a slide switch stays where you flip it. (a) False (b) True
  15. 15.🔘 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) Yes (b) No
  16. 16.True or false: a toggle switch stays where you flip it. (a) True (b) False
  17. 17.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a toggle switch (c) a push button (d) a slide switch
  18. 18.🔘 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?
  19. 19.What does a slide switch do? (a) springs back when let go (b) works only while pressed (c) slides side to side (d) stays where you flip it
  20. 20.🔘 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) Yes (b) No
  21. 21.What does a push button do? (a) springs back when let go (b) stays where you flip it (c) closes when tipped over (d) flips up or down
  22. 22.🔘 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
  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 ON and C is ON. Does the bulb glow? (a) Yes (b) No
  24. 24.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) only when both are ON (c) when either is ON (d) never
  25. 25.🔘 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
  26. 26.True or false: a push button springs back when let go. (a) False (b) True
  27. 27.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a slide switch (c) a toggle switch (d) a reed switch
  28. 28.What does a push button do? (a) stays where you flip it (b) works only while pressed (c) closes near a magnet (d) flips up or down
  29. 29.🔘 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
  30. 30.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  31. 31.🔘 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?
  32. 32.True or false: a toggle switch springs back when let go. (a) True (b) False
  33. 33.🔘 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
  34. 34.🔘 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
  35. 35.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a reed switch (c) a push button (d) a tilt switch
  36. 36.🔘 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?
  37. 37.What does a reed switch do? (a) closes when tipped over (b) closes near a magnet (c) springs back when let go (d) works only while pressed
  38. 38.What does a tilt switch do? (a) springs back when let go (b) slides side to side (c) flips up or down (d) closes when tipped over
  39. 39.True or false: a reed switch closes near a magnet. (a) False (b) True
  40. 40.🔘 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

Answer key

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

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