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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 683 · 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.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  2. 2.🔘 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 ON and C is ON. Does the bulb glow? (a) Yes (b) No
  3. 3.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  4. 4.🔘 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
  5. 5.What does a tilt switch do? (a) works only while pressed (b) closes when tipped over (c) slides side to side (d) closes near a magnet
  6. 6.What does a slide switch do? (a) closes when tipped over (b) works only while pressed (c) slides side to side (d) springs back when let go
  7. 7.🔘 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
  8. 8.🔘 Which kind of switch works only while pressed? (a) a slide switch (b) a push button (c) a reed switch (d) a toggle switch
  9. 9.🔘 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
  10. 10.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  11. 11.True or false: a reed switch springs back when let go. (a) True (b) False
  12. 12.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a push button (c) a toggle switch (d) a slide switch
  13. 13.🔘 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
  14. 14.🔘 A bulb and a cell are joined through 6 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  15. 15.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) never (c) when both are ON (d) when either is ON
  16. 16.🔘 When a switch is ON, the circuit is … (a) open (b) broken (c) closed (d) cut
  17. 17.True or false: a toggle switch flips up or down. (a) False (b) True
  18. 18.What does a toggle switch do? (a) springs back when let go (b) slides side to side (c) closes when tipped over (d) stays where you flip it
  19. 19.🔘 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
  20. 20.🔘 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
  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 ON, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  22. 22.🔘 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?
  23. 23.What does a toggle switch do? (a) flips up or down (b) slides side to side (c) closes when tipped over (d) springs back when let go
  24. 24.🔘 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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  25. 25.True or false: a slide switch flips up or down. (a) True (b) False
  26. 26.True or false: a toggle switch stays where you flip it. (a) False (b) True
  27. 27.What does a push button do? (a) stays where you flip it (b) slides side to side (c) closes near a magnet (d) works only while pressed
  28. 28.What does a push button do? (a) stays where you flip it (b) springs back when let go (c) slides side to side (d) flips up or down
  29. 29.True or false: a push button closes when tipped over. (a) False (b) True
  30. 30.🔘 A bulb and a cell are joined through 2 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  31. 31.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a tilt switch (c) a push button (d) a toggle switch
  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 ON, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  33. 33.🔘 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 OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  34. 34.🔘 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) never (d) when either is ON
  35. 35.True or false: a tilt switch works only while pressed. (a) False (b) True
  36. 36.What does a reed switch do? (a) works only while pressed (b) flips up or down (c) closes near a magnet (d) slides side to side
  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 OFF, B is ON and C is ON. Does the bulb glow? (a) Yes (b) No
  38. 38.True or false: a slide switch stays where you flip it. (a) True (b) False
  39. 39.🔘 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 OFF, C is OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  40. 40.True or false: a tilt switch closes when tipped over. (a) True (b) False

Answer key

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

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