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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 939 · 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, 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
  2. 2.🔘 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
  3. 3.🔘 When a switch is ON, the circuit is … (a) cut (b) open (c) closed (d) broken
  4. 4.🔘 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 OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  5. 5.What does a tilt switch do? (a) closes when tipped over (b) stays where you flip it (c) closes near a magnet (d) slides side to side
  6. 6.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) when either is ON (c) only when both are ON (d) only when both are OFF
  7. 7.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  8. 8.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  9. 9.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when either is ON (c) when both are ON (d) never
  10. 10.🔘 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
  11. 11.What does a reed switch do? (a) flips up or down (b) closes when tipped over (c) closes near a magnet (d) works only while pressed
  12. 12.What does a toggle switch do? (a) slides side to side (b) works only while pressed (c) closes near a magnet (d) flips up or down
  13. 13.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a slide switch (c) a toggle switch (d) a push button
  14. 14.🔘 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
  15. 15.What does a push button do? (a) closes near a magnet (b) springs back when let go (c) closes when tipped over (d) slides side to side
  16. 16.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a push button (c) a reed switch (d) a tilt switch
  17. 17.🔘 Which kind of switch slides side to side? (a) a push button (b) a toggle switch (c) a slide switch (d) a tilt switch
  18. 18.🔘 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
  19. 19.True or false: a push button works only while pressed. (a) False (b) True
  20. 20.True or false: a reed switch closes near a magnet. (a) True (b) False
  21. 21.🔘 Which kind of switch closes near a magnet? (a) a tilt switch (b) a toggle switch (c) a slide switch (d) a reed switch
  22. 22.🔘 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) No (b) Yes
  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) Yes (b) No
  24. 24.🔘 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?
  25. 25.True or false: a push button flips up or down. (a) True (b) False
  26. 26.🔘 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
  27. 27.True or false: a toggle switch stays where you flip it. (a) True (b) False
  28. 28.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a reed switch (c) a push button (d) a tilt switch
  29. 29.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  30. 30.🔘 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
  31. 31.🔘 A bulb and a cell are joined through 5 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  32. 32.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a reed switch (c) a push button (d) a toggle switch
  33. 33.True or false: a push button springs back when let go. (a) False (b) True
  34. 34.True or false: a tilt switch springs back when let go. (a) False (b) True
  35. 35.🔘 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
  36. 36.What does a toggle switch do? (a) slides side to side (b) works only while pressed (c) stays where you flip it (d) closes when tipped over
  37. 37.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  38. 38.What does a slide switch do? (a) flips up or down (b) slides side to side (c) works only while pressed (d) closes near a magnet
  39. 39.True or false: a reed switch slides side to side. (a) True (b) False
  40. 40.🔘 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 ON and D is ON. Does the bulb glow? (a) Yes (b) No

Answer key

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

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