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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 366 · 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) closes when tipped over (b) flips up or down (c) stays where you flip it (d) works only while pressed
  2. 2.What does a toggle switch do? (a) springs back when let go (b) stays where you flip it (c) slides side to side (d) works only while pressed
  3. 3.🔘 A cell, a bulb and switches A, B and C are joined one after another in a single loop (series). A is ON, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  4. 4.🔘 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?
  5. 5.🔘 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
  6. 6.🔘 When a switch is ON, the circuit is … (a) closed (b) cut (c) broken (d) open
  7. 7.True or false: a toggle switch flips up or down. (a) True (b) False
  8. 8.🔘 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) No (b) Yes
  9. 9.🔘 What does a switch do in a circuit? (a) changes the voltage (b) opens or closes the loop (c) makes electricity (d) stores current
  10. 10.What does a reed switch do? (a) flips up or down (b) slides side to side (c) closes near a magnet (d) stays where you flip it
  11. 11.🔘 A cell, a bulb and switches A, B and C are joined one after another in a single loop (series). A is ON, B is ON and C is ON. Does the bulb glow? (a) No (b) Yes
  12. 12.🔘 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
  13. 13.🔘 Which kind of switch closes when tipped over? (a) a reed switch (b) a slide switch (c) a tilt switch (d) a push button
  14. 14.True or false: a tilt switch closes when tipped over. (a) False (b) True
  15. 15.What does a slide switch do? (a) works only while pressed (b) closes near a magnet (c) stays where you flip it (d) slides side to side
  16. 16.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) only when both are ON (c) never (d) when either is ON
  17. 17.True or false: a reed switch works only while pressed. (a) False (b) True
  18. 18.🔘 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
  19. 19.True or false: a push button closes near a magnet. (a) False (b) True
  20. 20.True or false: a push button closes when tipped over. (a) False (b) True
  21. 21.🔘 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
  22. 22.What does a push button do? (a) springs back when let go (b) flips up or down (c) stays where you flip it (d) slides side to side
  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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  24. 24.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  25. 25.🔘 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
  26. 26.What does a push button do? (a) closes when tipped over (b) stays where you flip it (c) flips up or down (d) works only while pressed
  27. 27.True or false: a toggle switch works only while pressed. (a) True (b) False
  28. 28.🔘 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
  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 OFF, C is ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  30. 30.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  31. 31.🔘 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?
  32. 32.🔘 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?
  33. 33.🔘 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
  34. 34.True or false: a reed switch stays where you flip it. (a) True (b) False
  35. 35.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a slide switch (c) a reed switch (d) a toggle switch
  36. 36.🔘 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) Yes (b) No
  37. 37.True or false: a push button springs back when let go. (a) True (b) False
  38. 38.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a slide switch (c) a push button (d) a toggle switch
  39. 39.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a reed switch (c) a tilt switch (d) a toggle switch
  40. 40.True or false: a tilt switch stays where you flip it. (a) True (b) False

Answer key

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

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