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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 289 · 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 closes near a magnet. (a) False (b) True
  2. 2.🔘 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
  3. 3.What does a reed switch do? (a) closes near a magnet (b) slides side to side (c) stays where you flip it (d) closes when tipped over
  4. 4.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a toggle switch (c) a push button (d) a tilt switch
  5. 5.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) only when both are OFF (c) when either is ON (d) never
  6. 6.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when both are ON (c) when both are OFF (d) when either is ON
  7. 7.What does a tilt switch do? (a) works only while pressed (b) closes near a magnet (c) stays where you flip it (d) closes when tipped over
  8. 8.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a reed switch (c) a slide switch (d) a push button
  9. 9.True or false: a slide switch stays where you flip it. (a) True (b) False
  10. 10.True or false: a slide switch closes near a magnet. (a) True (b) False
  11. 11.True or false: a push button springs back when let go. (a) True (b) False
  12. 12.🔘 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 ON and D is OFF. Does the bulb glow? (a) Yes (b) No
  13. 13.True or false: a push button closes near a magnet. (a) False (b) True
  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 tilt switch
  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 OFF, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  16. 16.🔘 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 ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  17. 17.🔘 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
  18. 18.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a tilt switch (c) a slide switch (d) a push button
  19. 19.🔘 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
  20. 20.🔘 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?
  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) No (b) Yes
  22. 22.True or false: a toggle switch stays where you flip it. (a) True (b) False
  23. 23.True or false: a push button closes when tipped over. (a) True (b) False
  24. 24.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a push button (c) a toggle switch (d) a reed switch
  25. 25.🔘 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) Yes (b) No
  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 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 ON. 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) Yes (b) No
  29. 29.🔘 What does a switch do in a circuit? (a) makes electricity (b) stores current (c) changes the voltage (d) opens or closes the loop
  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 ON, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  31. 31.What does a toggle switch do? (a) springs back when let go (b) flips up or down (c) works only while pressed (d) closes near a magnet
  32. 32.What does a push button do? (a) stays where you flip it (b) works only while pressed (c) flips up or down (d) closes near a magnet
  33. 33.🔘 A bulb and a cell are joined through 6 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  34. 34.🔘 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
  35. 35.What does a push button do? (a) closes when tipped over (b) closes near a magnet (c) stays where you flip it (d) springs back when let go
  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 OFF, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  37. 37.True or false: a slide switch slides side to side. (a) False (b) True
  38. 38.🔘 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?
  39. 39.🔘 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) No (b) Yes
  40. 40.🔘 Which kind of switch slides side to side? (a) a push button (b) a slide switch (c) a reed switch (d) a tilt switch

Answer key

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

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