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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 515 · 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.What does a reed switch do? (a) closes when tipped over (b) slides side to side (c) closes near a magnet (d) flips up or down
  2. 2.🔘 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?
  3. 3.What does a tilt switch do? (a) closes when tipped over (b) slides side to side (c) flips up or down (d) stays where you flip it
  4. 4.🔘 Which kind of switch flips up or down? (a) a tilt switch (b) a push button (c) a toggle switch (d) a reed switch
  5. 5.What does a push button do? (a) flips up or down (b) springs back when let go (c) closes when tipped over (d) stays where you flip it
  6. 6.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a toggle switch (c) a push button (d) a slide switch
  7. 7.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a tilt switch (c) a slide switch (d) a reed switch
  8. 8.What does a push button do? (a) flips up or down (b) slides side to side (c) stays where you flip it (d) works only while pressed
  9. 9.🔘 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 OFF, C is OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  10. 10.True or false: a tilt switch stays where you flip it. (a) True (b) False
  11. 11.What does a slide switch do? (a) stays where you flip it (b) closes near a magnet (c) closes when tipped over (d) slides side to side
  12. 12.True or false: a push button springs back when let go. (a) True (b) False
  13. 13.🔘 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) Yes (b) No
  14. 14.🔘 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
  15. 15.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when both are ON (c) never (d) when either is ON
  16. 16.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a reed switch (c) a toggle switch (d) a slide switch
  17. 17.🔘 When a switch is ON, the circuit is … (a) closed (b) broken (c) cut (d) open
  18. 18.🔘 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
  19. 19.True or false: a tilt switch flips up or down. (a) False (b) True
  20. 20.🔘 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
  21. 21.🔘 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?
  22. 22.What does a toggle switch do? (a) springs back when let go (b) closes near a magnet (c) works only while pressed (d) stays where you flip it
  23. 23.🔘 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) No (b) Yes
  24. 24.🔘 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
  25. 25.🔘 A bulb and a cell are joined through 4 switches on 4 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 OFF. Does the bulb glow? (a) Yes (b) No
  27. 27.True or false: a push button works only while pressed. (a) True (b) False
  28. 28.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) never (c) when either is ON (d) only when both are OFF
  29. 29.What does a toggle switch do? (a) closes near a magnet (b) flips up or down (c) works only while pressed (d) slides side to side
  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 OFF. Does the bulb glow? (a) No (b) Yes
  31. 31.🔘 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
  32. 32.🔘 A bulb and a cell are joined through 6 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  33. 33.🔘 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
  34. 34.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a slide switch (c) a reed switch (d) a push button
  35. 35.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a push button
  36. 36.🔘 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
  37. 37.🔘 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) Yes (b) No
  38. 38.🔘 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?
  39. 39.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a tilt switch (c) a push button (d) a reed switch
  40. 40.🔘 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

Answer key

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

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