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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 630 · 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.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a slide switch (c) a toggle switch (d) a push button
  2. 2.True or false: a toggle switch stays where you flip it. (a) True (b) False
  3. 3.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a push button (c) a toggle switch (d) a slide switch
  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 OFF. Does the bulb glow? (a) No (b) Yes
  5. 5.True or false: a push button stays where you flip it. (a) False (b) True
  6. 6.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are OFF (c) when both are ON (d) never
  7. 7.🔘 When a switch is ON, the circuit is … (a) cut (b) closed (c) broken (d) open
  8. 8.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a push button (c) a toggle switch (d) a slide switch
  9. 9.🔘 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?
  10. 10.🔘 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) No (b) Yes
  11. 11.What does a reed switch do? (a) closes near a magnet (b) stays where you flip it (c) slides side to side (d) springs back when let go
  12. 12.🔘 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
  13. 13.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a slide switch (c) a toggle switch (d) a reed switch
  14. 14.🔘 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) No (b) Yes
  15. 15.True or false: a tilt switch closes when tipped over. (a) False (b) True
  16. 16.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a reed switch (c) a slide switch (d) a toggle switch
  17. 17.True or false: a tilt switch stays where you flip it. (a) True (b) False
  18. 18.True or false: a slide switch closes when tipped over. (a) True (b) False
  19. 19.True or false: a toggle switch slides side to side. (a) True (b) False
  20. 20.What does a toggle switch do? (a) works only while pressed (b) slides side to side (c) flips up or down (d) springs back when let go
  21. 21.True or false: a push button springs back when let go. (a) False (b) True
  22. 22.🔘 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
  23. 23.True or false: a reed switch closes near a magnet. (a) False (b) True
  24. 24.What does a slide switch do? (a) closes near a magnet (b) springs back when let go (c) works only while pressed (d) slides side to side
  25. 25.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  26. 26.True or false: a slide switch stays where you flip it. (a) True (b) False
  27. 27.🔘 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
  28. 28.🔘 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) No (b) Yes
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  30. 30.🔘 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) No (b) Yes
  31. 31.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a toggle switch (c) a slide switch (d) a push button
  32. 32.True or false: a toggle switch closes when tipped over. (a) True (b) False
  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 OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  34. 34.🔘 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) No (b) Yes
  35. 35.🔘 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) No (b) Yes
  36. 36.🔘 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
  37. 37.🔘 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?
  38. 38.🔘 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
  39. 39.🔘 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) No (b) Yes
  40. 40.🔘 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

Answer key

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

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