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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 963 · 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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  2. 2.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a slide switch (c) a push button (d) a reed switch
  3. 3.🔘 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
  4. 4.True or false: a tilt switch flips up or down. (a) True (b) False
  5. 5.🔘 When a switch is ON, the circuit is … (a) open (b) cut (c) closed (d) broken
  6. 6.🔘 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
  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 OFF. Does the bulb glow? (a) Yes (b) No
  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 ON, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  9. 9.🔘 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) only when both are ON (d) never
  10. 10.True or false: a reed switch springs back when let go. (a) True (b) False
  11. 11.What does a toggle switch do? (a) flips up or down (b) springs back when let go (c) slides side to side (d) closes when tipped over
  12. 12.What does a reed switch do? (a) flips up or down (b) closes when tipped over (c) works only while pressed (d) closes near a magnet
  13. 13.What does a push button do? (a) flips up or down (b) closes near a magnet (c) stays where you flip it (d) works only while pressed
  14. 14.True or false: a push button closes near a magnet. (a) False (b) True
  15. 15.🔘 Which kind of switch works only while pressed? (a) a slide switch (b) a tilt switch (c) a push button (d) a reed switch
  16. 16.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a push button (c) a reed switch (d) a tilt switch
  17. 17.🔘 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?
  18. 18.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  19. 19.What does a slide switch do? (a) stays where you flip it (b) slides side to side (c) works only while pressed (d) closes when tipped over
  20. 20.True or false: a tilt switch stays where you flip it. (a) True (b) False
  21. 21.🔘 Which kind of switch closes when tipped over? (a) a push button (b) a toggle switch (c) a tilt switch (d) a reed switch
  22. 22.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a reed switch (c) a tilt switch (d) a toggle switch
  23. 23.🔘 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?
  24. 24.🔘 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 OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  25. 25.🔘 Which kind of switch slides side to side? (a) a push button (b) a reed switch (c) a slide switch (d) a toggle switch
  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 ON and C is ON. Does the bulb glow? (a) No (b) Yes
  27. 27.True or false: a push button closes when tipped over. (a) True (b) False
  28. 28.🔘 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
  29. 29.🔘 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 OFF, C is OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  30. 30.🔘 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
  31. 31.🔘 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
  32. 32.True or false: a slide switch flips up or down. (a) False (b) True
  33. 33.True or false: a push button springs back when let go. (a) True (b) False
  34. 34.What does a tilt switch do? (a) flips up or down (b) closes near a magnet (c) closes when tipped over (d) stays where you flip it
  35. 35.🔘 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
  36. 36.True or false: a tilt switch springs back when let go. (a) True (b) False
  37. 37.🔘 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 OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  38. 38.🔘 Which kind of switch closes near a magnet? (a) a tilt switch (b) a reed switch (c) a push button (d) a slide switch
  39. 39.True or false: a tilt switch closes when tipped over. (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 OFF, B is ON, C is ON and D is OFF. Does the bulb glow? (a) Yes (b) No

Answer key

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

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