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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 113 · 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, 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) Yes (b) No
  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 ON. 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 OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  4. 4.🔘 When a switch is ON, the circuit is … (a) open (b) cut (c) broken (d) closed
  5. 5.🔘 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
  6. 6.What does a push button do? (a) stays where you flip it (b) springs back when let go (c) flips up or down (d) closes near a magnet
  7. 7.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a push button (c) a tilt switch (d) a toggle switch
  8. 8.🔘 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) Yes (b) No
  9. 9.🔘 Which kind of switch slides side to side? (a) a push button (b) a toggle switch (c) a reed switch (d) a slide switch
  10. 10.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) only when both are OFF (c) never (d) only when both are ON
  11. 11.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  12. 12.True or false: a slide switch closes when tipped over. (a) False (b) True
  13. 13.What does a tilt switch do? (a) flips up or down (b) stays where you flip it (c) closes when tipped over (d) works only while pressed
  14. 14.What does a toggle switch do? (a) works only while pressed (b) slides side to side (c) closes near a magnet (d) stays where you flip it
  15. 15.True or false: a push button springs back when let go. (a) True (b) False
  16. 16.True or false: a slide switch slides side to side. (a) False (b) True
  17. 17.True or false: a tilt switch springs back when let go. (a) False (b) True
  18. 18.🔘 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) Yes (b) No
  19. 19.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  20. 20.🔘 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?
  21. 21.What does a reed switch do? (a) slides side to side (b) stays where you flip it (c) flips up or down (d) closes near a magnet
  22. 22.🔘 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
  23. 23.🔘 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
  24. 24.True or false: a slide switch springs back when let go. (a) True (b) False
  25. 25.🔘 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?
  26. 26.True or false: a slide switch flips up or down. (a) False (b) True
  27. 27.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) never (c) when both are OFF (d) when both are ON
  28. 28.🔘 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?
  29. 29.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a tilt switch (c) a reed switch (d) a push button
  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 OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  31. 31.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a reed switch (c) a push button (d) a tilt switch
  32. 32.🔘 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?
  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.🔘 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
  35. 35.What does a push button do? (a) works only while pressed (b) stays where you flip it (c) closes when tipped over (d) flips up or down
  36. 36.🔘 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 ON and D is ON. Does the bulb glow? (a) No (b) Yes
  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) No (b) Yes
  38. 38.True or false: a slide switch closes near a magnet. (a) True (b) False
  39. 39.True or false: a reed switch works only while pressed. (a) False (b) True
  40. 40.True or false: a reed switch closes near a magnet. (a) False (b) True

Answer key

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

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