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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 576 · 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.True or false: a push button closes near a magnet. (a) False (b) True
  2. 2.True or false: a toggle switch works only while pressed. (a) True (b) False
  3. 3.What does a slide switch do? (a) works only while pressed (b) closes near a magnet (c) slides side to side (d) stays where you flip it
  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 OFF, B is ON and C is ON. Does the bulb glow? (a) Yes (b) No
  5. 5.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) when either is ON (c) never (d) only when both are ON
  6. 6.🔘 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) Yes (b) No
  7. 7.🔘 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
  8. 8.True or false: a push button works only while pressed. (a) True (b) False
  9. 9.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a tilt switch (c) a slide switch (d) a toggle switch
  10. 10.🔘 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) No (b) Yes
  11. 11.True or false: a reed switch flips up or down. (a) True (b) False
  12. 12.🔘 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 ON and D is ON. Does the bulb glow? (a) Yes (b) No
  13. 13.🔘 Which kind of switch works only while pressed? (a) a push button (b) a reed switch (c) a slide switch (d) a toggle switch
  14. 14.What does a push button do? (a) flips up or down (b) springs back when let go (c) stays where you flip it (d) closes when tipped over
  15. 15.What does a tilt switch do? (a) closes near a magnet (b) slides side to side (c) closes when tipped over (d) flips up or down
  16. 16.🔘 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
  17. 17.What does a reed switch do? (a) closes near a magnet (b) closes when tipped over (c) springs back when let go (d) flips up or down
  18. 18.True or false: a reed switch closes when tipped over. (a) True (b) False
  19. 19.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when both are ON (c) when either is ON (d) never
  20. 20.🔘 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) Yes (b) No
  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 ON, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  22. 22.True or false: a toggle switch flips up or down. (a) False (b) True
  23. 23.True or false: a toggle switch stays where you flip it. (a) False (b) True
  24. 24.🔘 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?
  25. 25.🔘 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?
  26. 26.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  27. 27.🔘 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
  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) Yes (b) No
  29. 29.🔘 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
  30. 30.True or false: a slide switch slides side to side. (a) False (b) True
  31. 31.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a toggle switch (c) a slide switch (d) a reed switch
  32. 32.True or false: a reed switch closes near a magnet. (a) True (b) False
  33. 33.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a reed switch (c) a push button (d) a slide switch
  34. 34.🔘 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
  35. 35.🔘 Which kind of switch flips up or down? (a) a push button (b) a tilt switch (c) a slide switch (d) a toggle switch
  36. 36.What does a push button do? (a) closes near a magnet (b) stays where you flip it (c) closes when tipped over (d) works only while pressed
  37. 37.🔘 When a switch is ON, the circuit is … (a) broken (b) closed (c) cut (d) open
  38. 38.True or false: a reed switch works only while pressed. (a) False (b) True
  39. 39.What does a toggle switch do? (a) slides side to side (b) works only while pressed (c) flips up or down (d) springs back when let go
  40. 40.🔘 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

Answer key

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

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