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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 216 · 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.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when either is ON (c) when both are OFF (d) when both are ON
  2. 2.What does a reed switch do? (a) slides side to side (b) works only while pressed (c) stays where you flip it (d) closes near a magnet
  3. 3.What does a toggle switch do? (a) flips up or down (b) works only while pressed (c) closes when tipped over (d) slides side to side
  4. 4.What does a slide switch do? (a) stays where you flip it (b) works only while pressed (c) springs back when let go (d) slides side to side
  5. 5.🔘 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) Yes (b) No
  6. 6.🔘 Which kind of switch flips up or down? (a) a push button (b) a toggle switch (c) a tilt switch (d) a reed switch
  7. 7.🔘 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?
  8. 8.True or false: a toggle switch flips up or down. (a) False (b) True
  9. 9.🔘 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
  10. 10.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) when either is ON (c) never (d) only when both are OFF
  11. 11.🔘 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
  12. 12.True or false: a push button flips up or down. (a) True (b) False
  13. 13.What does a toggle switch do? (a) slides side to side (b) stays where you flip it (c) springs back when let go (d) closes when tipped over
  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 ON, B is ON and C is ON. Does the bulb glow? (a) No (b) Yes
  15. 15.🔘 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) No (b) Yes
  16. 16.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a push button (c) a toggle switch (d) a reed switch
  17. 17.🔘 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
  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 OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  19. 19.🔘 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?
  20. 20.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a push button (c) a reed switch (d) a slide switch
  21. 21.True or false: a push button stays where you flip it. (a) False (b) True
  22. 22.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a toggle switch (c) a tilt switch (d) a reed switch
  23. 23.🔘 A bulb and a cell are joined through 5 switches on 5 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?
  24. 24.🔘 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
  25. 25.🔘 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
  26. 26.What does a push button do? (a) stays where you flip it (b) flips up or down (c) springs back when let go (d) closes near a magnet
  27. 27.True or false: a tilt switch closes when tipped over. (a) False (b) True
  28. 28.True or false: a slide switch slides side to side. (a) False (b) True
  29. 29.🔘 When a switch is ON, the circuit is … (a) closed (b) broken (c) cut (d) open
  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 OFF. Does the bulb glow? (a) Yes (b) No
  31. 31.🔘 Which kind of switch springs back when let go? (a) a reed switch (b) a push button (c) a tilt switch (d) a toggle switch
  32. 32.True or false: a reed switch springs back when let go. (a) False (b) True
  33. 33.🔘 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
  34. 34.What does a tilt switch do? (a) works only while pressed (b) closes when tipped over (c) flips up or down (d) slides side to side
  35. 35.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  36. 36.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a toggle switch (c) a tilt switch (d) a reed switch
  37. 37.🔘 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?
  38. 38.True or false: a toggle switch closes when tipped over. (a) True (b) False
  39. 39.True or false: a push button closes when tipped over. (a) False (b) True
  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 ON. Does the bulb glow? (a) Yes (b) No

Answer key

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

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