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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 405 · 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.🔘 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
  2. 2.🔘 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) when either is ON (d) never
  3. 3.What does a push button do? (a) flips up or down (b) springs back when let go (c) slides side to side (d) closes when tipped over
  4. 4.🔘 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) Yes (b) No
  5. 5.🔘 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?
  6. 6.🔘 When a switch is ON, the circuit is … (a) open (b) closed (c) broken (d) cut
  7. 7.True or false: a tilt switch flips up or down. (a) True (b) False
  8. 8.🔘 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
  9. 9.What does a push button do? (a) closes when tipped over (b) flips up or down (c) slides side to side (d) works only while pressed
  10. 10.🔘 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
  11. 11.🔘 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
  12. 12.What does a toggle switch do? (a) stays where you flip it (b) slides side to side (c) closes when tipped over (d) closes near a magnet
  13. 13.True or false: a toggle switch stays where you flip it. (a) False (b) True
  14. 14.🔘 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) Yes (b) No
  15. 15.🔘 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
  16. 16.True or false: a toggle switch closes near a magnet. (a) True (b) False
  17. 17.True or false: a push button closes near a magnet. (a) True (b) False
  18. 18.🔘 Which kind of switch closes when tipped over? (a) a reed switch (b) a push button (c) a slide switch (d) a tilt switch
  19. 19.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a slide switch (c) a tilt switch (d) a reed switch
  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 OFF, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  21. 21.🔘 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) Yes (b) No
  22. 22.What does a reed switch do? (a) works only while pressed (b) springs back when let go (c) closes near a magnet (d) stays where you flip it
  23. 23.🔘 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
  24. 24.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  25. 25.🔘 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?
  26. 26.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a push button (c) a tilt switch (d) a toggle switch
  27. 27.What does a slide switch do? (a) closes near a magnet (b) flips up or down (c) slides side to side (d) works only while pressed
  28. 28.True or false: a push button stays where you flip it. (a) True (b) False
  29. 29.🔘 Which kind of switch slides side to side? (a) a push button (b) a tilt switch (c) a toggle switch (d) a slide switch
  30. 30.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a slide switch (c) a toggle switch (d) a push button
  31. 31.True or false: a push button springs back when let go. (a) False (b) True
  32. 32.🔘 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) No (b) Yes
  33. 33.What does a tilt switch do? (a) closes when tipped over (b) stays where you flip it (c) springs back when let go (d) slides side to side
  34. 34.True or false: a toggle switch flips up or down. (a) True (b) False
  35. 35.🔘 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) Yes (b) No
  36. 36.What does a toggle switch do? (a) flips up or down (b) closes near a magnet (c) closes when tipped over (d) springs back when let go
  37. 37.🔘 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?
  38. 38.True or false: a reed switch closes when tipped over. (a) False (b) True
  39. 39.True or false: a slide switch closes when tipped over. (a) False (b) True
  40. 40.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a push button (c) a toggle switch (d) a tilt switch

Answer key

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

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