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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 923 · 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 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
  2. 2.🔘 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
  3. 3.True or false: a toggle switch slides side to side. (a) True (b) False
  4. 4.🔘 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
  5. 5.What does a reed switch do? (a) flips up or down (b) closes near a magnet (c) slides side to side (d) springs back when let go
  6. 6.True or false: a slide switch slides side to side. (a) False (b) True
  7. 7.True or false: a push button stays where you flip it. (a) False (b) True
  8. 8.🔘 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
  9. 9.🔘 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 ON and C is ON. Does the bulb glow? (a) No (b) Yes
  10. 10.🔘 Which kind of switch slides side to side? (a) a push button (b) a slide switch (c) a toggle switch (d) a tilt switch
  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 OFF and B is ON. Does the bulb glow? (a) No (b) Yes
  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 ON, B is OFF, C is OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  13. 13.What does a slide switch do? (a) springs back when let go (b) flips up or down (c) slides side to side (d) closes when tipped over
  14. 14.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a slide switch (c) a push button (d) a reed switch
  15. 15.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  16. 16.What does a push button do? (a) stays where you flip it (b) springs back when let go (c) slides side to side (d) closes near a magnet
  17. 17.🔘 When a switch is ON, the circuit is … (a) closed (b) cut (c) broken (d) open
  18. 18.True or false: a reed switch closes near a magnet. (a) True (b) False
  19. 19.True or false: a toggle switch stays where you flip it. (a) False (b) True
  20. 20.🔘 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) Yes (b) No
  21. 21.🔘 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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  22. 22.What does a toggle switch do? (a) closes near a magnet (b) springs back when let go (c) works only while pressed (d) flips up or down
  23. 23.What does a tilt switch do? (a) flips up or down (b) closes when tipped over (c) springs back when let go (d) stays where you flip it
  24. 24.🔘 Which kind of switch closes near a magnet? (a) a tilt switch (b) a slide switch (c) a toggle switch (d) a reed switch
  25. 25.🔘 A cell, a bulb and switches A and B are joined one after another in a single loop (series). A is OFF and B is ON. Does the bulb glow? (a) Yes (b) No
  26. 26.🔘 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
  27. 27.🔘 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
  28. 28.True or false: a toggle switch springs back when let go. (a) False (b) True
  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) No (b) Yes
  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 ON, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  31. 31.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a toggle switch (c) a reed switch (d) a push button
  32. 32.🔘 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?
  33. 33.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a push button (c) a tilt switch (d) a toggle switch
  34. 34.True or false: a push button slides side to side. (a) True (b) False
  35. 35.🔘 Which kind of switch springs back when let go? (a) a reed switch (b) a push button (c) a tilt switch (d) a slide switch
  36. 36.🔘 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
  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 OFF. Does the bulb glow? (a) Yes (b) No
  38. 38.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a tilt switch (c) a toggle switch (d) a push button
  39. 39.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  40. 40.🔘 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?

Answer key

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

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