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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 462 · 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 reed switch works only while pressed. (a) True (b) False
  2. 2.🔘 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?
  3. 3.True or false: a tilt switch stays where you flip it. (a) True (b) False
  4. 4.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a push button (c) a tilt switch (d) a slide switch
  5. 5.🔘 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
  6. 6.🔘 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 OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  7. 7.🔘 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?
  8. 8.True or false: a toggle switch flips up or down. (a) False (b) True
  9. 9.True or false: a slide switch closes when tipped over. (a) True (b) False
  10. 10.What does a tilt switch do? (a) closes near a magnet (b) closes when tipped over (c) stays where you flip it (d) works only while pressed
  11. 11.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when both are OFF (c) when both are ON (d) when either is ON
  12. 12.🔘 Which kind of switch closes when tipped over? (a) a reed switch (b) a tilt switch (c) a toggle switch (d) a push button
  13. 13.🔘 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
  14. 14.🔘 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) No (b) Yes
  15. 15.🔘 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
  16. 16.🔘 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
  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 OFF and B is ON. Does the bulb glow? (a) No (b) Yes
  18. 18.🔘 When a switch is ON, the circuit is … (a) broken (b) cut (c) open (d) closed
  19. 19.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a reed switch (c) a slide switch (d) a toggle switch
  20. 20.🔘 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) Yes (b) No
  21. 21.What does a toggle switch do? (a) springs back when let go (b) closes near a magnet (c) closes when tipped over (d) stays where you flip it
  22. 22.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a toggle switch (c) a reed switch (d) a push button
  23. 23.🔘 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 ON and D is ON. Does the bulb glow? (a) No (b) Yes
  24. 24.🔘 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) No (b) Yes
  25. 25.What does a reed switch do? (a) works only while pressed (b) flips up or down (c) stays where you flip it (d) closes near a magnet
  26. 26.🔘 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
  27. 27.What does a push button do? (a) closes when tipped over (b) stays where you flip it (c) works only while pressed (d) flips up or down
  28. 28.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) only when both are ON (c) when either is ON (d) only when both are OFF
  29. 29.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  30. 30.🔘 A bulb and a cell are joined through 4 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  31. 31.True or false: a toggle switch stays where you flip it. (a) True (b) False
  32. 32.True or false: a reed switch springs back when let go. (a) False (b) True
  33. 33.What does a slide switch do? (a) flips up or down (b) works only while pressed (c) slides side to side (d) stays where you flip it
  34. 34.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a push button (c) a tilt switch (d) a toggle switch
  35. 35.🔘 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
  36. 36.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a push button (c) a slide switch (d) a tilt switch
  37. 37.🔘 Which kind of switch flips up or down? (a) a push button (b) a reed switch (c) a toggle switch (d) a tilt switch
  38. 38.🔘 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 OFF and D is OFF. 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 ON, B is ON and C is ON. Does the bulb glow? (a) No (b) Yes
  40. 40.What does a toggle switch do? (a) slides side to side (b) works only while pressed (c) closes near a magnet (d) flips up or down

Answer key

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

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