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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 638 · 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 closes near a magnet? (a) a push button (b) a slide switch (c) a toggle switch (d) a reed switch
  2. 2.🔘 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?
  3. 3.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) only when both are ON (c) only when both are OFF (d) never
  4. 4.True or false: a reed switch stays where you flip it. (a) True (b) False
  5. 5.What does a push button do? (a) works only while pressed (b) stays where you flip it (c) closes near a magnet (d) closes when tipped over
  6. 6.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  7. 7.True or false: a toggle switch flips up or down. (a) False (b) True
  8. 8.True or false: a reed switch closes near a magnet. (a) False (b) True
  9. 9.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a slide switch (c) a reed switch (d) a push button
  10. 10.🔘 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 OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  11. 11.🔘 What does a switch do in a circuit? (a) changes the voltage (b) stores current (c) makes electricity (d) opens or closes the loop
  12. 12.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a reed switch (c) a toggle switch (d) a tilt switch
  13. 13.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a push button (c) a toggle switch (d) a reed switch
  14. 14.🔘 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?
  15. 15.True or false: a tilt switch stays where you flip it. (a) True (b) False
  16. 16.🔘 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
  17. 17.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a slide switch (c) a toggle switch (d) a reed switch
  18. 18.True or false: a push button springs back when let go. (a) False (b) True
  19. 19.🔘 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
  20. 20.🔘 When a switch is ON, the circuit is … (a) open (b) closed (c) broken (d) cut
  21. 21.What does a tilt switch do? (a) closes when tipped over (b) closes near a magnet (c) slides side to side (d) flips up or down
  22. 22.🔘 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?
  23. 23.🔘 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
  24. 24.True or false: a tilt switch flips up or down. (a) True (b) False
  25. 25.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  26. 26.🔘 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
  27. 27.What does a reed switch do? (a) closes near a magnet (b) stays where you flip it (c) flips up or down (d) springs back when let go
  28. 28.What does a push button do? (a) slides side to side (b) stays where you flip it (c) springs back when let go (d) closes when tipped over
  29. 29.🔘 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
  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) No (b) Yes
  31. 31.🔘 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?
  32. 32.What does a slide switch do? (a) stays where you flip it (b) flips up or down (c) closes near a magnet (d) slides side to side
  33. 33.True or false: a push button works only while pressed. (a) True (b) False
  34. 34.True or false: a tilt switch works only while pressed. (a) True (b) False
  35. 35.🔘 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
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  37. 37.🔘 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) No (b) Yes
  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 ON and C is ON. Does the bulb glow? (a) No (b) Yes
  39. 39.True or false: a slide switch stays where you flip it. (a) True (b) False
  40. 40.True or false: a toggle switch closes when tipped over. (a) False (b) True

Answer key

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

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