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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 555 · 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.🔘 When a switch is ON, the circuit is … (a) cut (b) closed (c) broken (d) open
  2. 2.What does a toggle switch do? (a) slides side to side (b) flips up or down (c) closes when tipped over (d) springs back when let go
  3. 3.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) changes the voltage (c) makes electricity (d) stores current
  4. 4.🔘 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) Yes (b) No
  5. 5.🔘 Which kind of switch closes near a magnet? (a) a reed switch (b) a toggle switch (c) a tilt switch (d) a push button
  6. 6.🔘 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
  7. 7.True or false: a toggle switch works only while pressed. (a) False (b) True
  8. 8.🔘 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) Yes (b) No
  9. 9.What does a reed switch do? (a) closes near a magnet (b) works only while pressed (c) slides side to side (d) flips up or down
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  11. 11.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) when both are OFF (c) when either is ON (d) never
  12. 12.🔘 Which kind of switch slides side to side? (a) a push button (b) a tilt switch (c) a reed switch (d) a slide switch
  13. 13.🔘 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?
  14. 14.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a push button (c) a toggle switch (d) a reed switch
  15. 15.What does a push button do? (a) closes when tipped over (b) works only while pressed (c) slides side to side (d) flips up or down
  16. 16.True or false: a slide switch slides side to side. (a) True (b) False
  17. 17.What does a slide switch do? (a) stays where you flip it (b) works only while pressed (c) slides side to side (d) closes when tipped over
  18. 18.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a slide switch (c) a tilt switch (d) a toggle switch
  19. 19.True or false: a toggle switch closes near a magnet. (a) True (b) False
  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 ON. Does the bulb glow? (a) Yes (b) No
  21. 21.🔘 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?
  22. 22.🔘 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) No (b) Yes
  23. 23.True or false: a push button stays where you flip it. (a) True (b) False
  24. 24.What does a toggle switch do? (a) closes near a magnet (b) slides side to side (c) stays where you flip it (d) closes when tipped over
  25. 25.🔘 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) Yes (b) No
  26. 26.🔘 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
  27. 27.🔘 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 OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  28. 28.🔘 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 ON, C is ON and D is ON. Does the bulb glow? (a) No (b) Yes
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  30. 30.What does a tilt switch do? (a) stays where you flip it (b) works only while pressed (c) flips up or down (d) closes when tipped over
  31. 31.🔘 Which kind of switch flips up or down? (a) a push button (b) a reed switch (c) a toggle switch (d) a slide switch
  32. 32.True or false: a push button springs back when let go. (a) False (b) True
  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 OFF, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  34. 34.🔘 Which kind of switch closes when tipped over? (a) a reed switch (b) a slide switch (c) a toggle switch (d) a tilt switch
  35. 35.🔘 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?
  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 ON, B is ON, C is OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  37. 37.🔘 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) Yes (b) No
  38. 38.True or false: a slide switch stays where you flip it. (a) False (b) True
  39. 39.True or false: a toggle switch stays where you flip it. (a) True (b) False
  40. 40.🔘 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

Answer key

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

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