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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 470 · 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 tilt switch do? (a) flips up or down (b) closes near a magnet (c) stays where you flip it (d) closes when tipped over
  2. 2.What does a toggle switch do? (a) slides side to side (b) closes near a magnet (c) flips up or down (d) works only while pressed
  3. 3.What does a push button do? (a) flips up or down (b) closes when tipped over (c) springs back when let go (d) closes near a magnet
  4. 4.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a slide switch (c) a push button (d) a reed switch
  5. 5.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  6. 6.🔘 Which kind of switch flips up or down? (a) a push button (b) a reed switch (c) a slide switch (d) a toggle switch
  7. 7.🔘 What does a switch do in a circuit? (a) makes electricity (b) stores current (c) changes the voltage (d) opens or closes the loop
  8. 8.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a push button (c) a toggle switch (d) a slide switch
  9. 9.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  10. 10.What does a slide switch do? (a) closes near a magnet (b) springs back when let go (c) flips up or down (d) slides side to side
  11. 11.What does a toggle switch do? (a) closes near a magnet (b) springs back when let go (c) stays where you flip it (d) closes when tipped over
  12. 12.🔘 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?
  13. 13.What does a reed switch do? (a) slides side to side (b) works only while pressed (c) closes near a magnet (d) stays where you flip it
  14. 14.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a slide switch (c) a push button (d) a toggle switch
  15. 15.🔘 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
  16. 16.🔘 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?
  17. 17.🔘 When a switch is ON, the circuit is … (a) broken (b) cut (c) closed (d) open
  18. 18.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) only when both are OFF (c) never (d) only when both are ON
  19. 19.🔘 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
  20. 20.🔘 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
  21. 21.🔘 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
  22. 22.True or false: a tilt switch flips up or down. (a) True (b) False
  23. 23.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a slide switch (c) a toggle switch (d) a reed switch
  24. 24.🔘 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
  25. 25.🔘 Which kind of switch closes when tipped over? (a) a push button (b) a tilt switch (c) a reed switch (d) a slide switch
  26. 26.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  27. 27.🔘 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
  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 OFF, B is OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  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 ON, C is OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  30. 30.🔘 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
  31. 31.True or false: a reed switch closes near a magnet. (a) True (b) False
  32. 32.🔘 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
  33. 33.🔘 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
  34. 34.True or false: a push button stays where you flip it. (a) False (b) True
  35. 35.🔘 A bulb and a cell are joined through 3 switches on 3 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?
  36. 36.True or false: a push button springs back when let go. (a) False (b) True
  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 ON, B is OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  38. 38.True or false: a reed switch stays where you flip it. (a) False (b) True
  39. 39.🔘 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) Yes (b) No
  40. 40.What does a push button do? (a) flips up or down (b) closes when tipped over (c) stays where you flip it (d) works only while pressed

Answer key

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

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