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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 427 · 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 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
  2. 2.True or false: a slide switch closes when tipped over. (a) False (b) True
  3. 3.What does a slide switch do? (a) slides side to side (b) closes near a magnet (c) springs back when let go (d) works only while pressed
  4. 4.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) when either is ON (c) when both are OFF (d) never
  5. 5.🔘 When a switch is ON, the circuit is … (a) open (b) broken (c) closed (d) cut
  6. 6.What does a toggle switch do? (a) works only while pressed (b) flips up or down (c) closes when tipped over (d) closes near a magnet
  7. 7.True or false: a reed switch works only while pressed. (a) True (b) False
  8. 8.What does a toggle switch do? (a) slides side to side (b) works only while pressed (c) stays where you flip it (d) closes near a magnet
  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 OFF, B is ON and C is ON. Does the bulb glow? (a) Yes (b) No
  10. 10.True or false: a slide switch slides side to side. (a) True (b) False
  11. 11.🔘 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) No (b) Yes
  12. 12.What does a reed switch do? (a) closes when tipped over (b) slides side to side (c) stays where you flip it (d) closes near a magnet
  13. 13.🔘 What does a switch do in a circuit? (a) makes electricity (b) stores current (c) opens or closes the loop (d) changes the voltage
  14. 14.True or false: a reed switch stays where you flip it. (a) True (b) False
  15. 15.🔘 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) Yes (b) No
  16. 16.What does a tilt switch do? (a) closes near a magnet (b) works only while pressed (c) stays where you flip it (d) closes when tipped over
  17. 17.What does a push button do? (a) slides side to side (b) closes near a magnet (c) flips up or down (d) springs back when let go
  18. 18.🔘 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?
  19. 19.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a push button (c) a toggle switch (d) a tilt switch
  20. 20.🔘 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
  21. 21.🔘 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
  22. 22.🔘 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
  23. 23.🔘 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
  24. 24.True or false: a tilt switch works only while pressed. (a) False (b) True
  25. 25.True or false: a reed switch closes near a magnet. (a) True (b) False
  26. 26.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a toggle switch (c) a push button (d) a tilt switch
  27. 27.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  28. 28.🔘 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
  29. 29.🔘 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
  30. 30.True or false: a tilt switch stays where you flip it. (a) True (b) False
  31. 31.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a push button (c) a reed switch (d) a tilt switch
  32. 32.True or false: a tilt switch flips up or down. (a) True (b) False
  33. 33.🔘 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) Yes (b) No
  34. 34.True or false: a push button works only while pressed. (a) False (b) True
  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) No (b) Yes
  36. 36.🔘 A bulb and a cell are joined through 3 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  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 ON, B is OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  38. 38.🔘 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?
  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 OFF, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  40. 40.What does a push button do? (a) flips up or down (b) closes when tipped over (c) closes near a magnet (d) works only while pressed

Answer key

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

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