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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 131 · 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.🔘 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) Yes (b) No
  2. 2.True or false: a tilt switch flips up or down. (a) False (b) True
  3. 3.True or false: a reed switch stays where you flip it. (a) False (b) True
  4. 4.True or false: a slide switch closes near a magnet. (a) True (b) False
  5. 5.True or false: a push button works only while pressed. (a) False (b) True
  6. 6.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a toggle switch (c) a push button (d) a reed switch
  7. 7.🔘 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
  8. 8.True or false: a tilt switch springs back when let go. (a) True (b) False
  9. 9.🔘 Which kind of switch springs back when let go? (a) a push button (b) a slide switch (c) a tilt switch (d) a toggle switch
  10. 10.🔘 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 OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  11. 11.🔘 When a switch is ON, the circuit is … (a) open (b) cut (c) broken (d) closed
  12. 12.What does a push button do? (a) closes when tipped over (b) slides side to side (c) works only while pressed (d) flips up or down
  13. 13.🔘 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
  14. 14.True or false: a tilt switch works only while pressed. (a) False (b) True
  15. 15.True or false: a push button stays where you flip it. (a) False (b) True
  16. 16.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are OFF (c) when both are ON (d) never
  17. 17.What does a slide switch do? (a) flips up or down (b) slides side to side (c) works only while pressed (d) springs back when let go
  18. 18.🔘 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?
  19. 19.🔘 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
  20. 20.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a toggle switch (c) a slide switch (d) a tilt switch
  21. 21.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a toggle switch (c) a push button (d) a slide switch
  22. 22.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) only when both are OFF (c) when either is ON (d) only when both are ON
  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 ON. Does the bulb glow? (a) Yes (b) No
  24. 24.🔘 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
  25. 25.What does a reed switch do? (a) slides side to side (b) springs back when let go (c) closes near a magnet (d) works only while pressed
  26. 26.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a push button (c) a slide switch (d) a toggle switch
  27. 27.🔘 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?
  28. 28.True or false: a toggle switch flips up or down. (a) False (b) True
  29. 29.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a slide switch (c) a tilt switch (d) a reed switch
  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 ON and C is ON. 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) closes when tipped over (d) slides side to side
  32. 32.🔘 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
  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 OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  34. 34.True or false: a tilt switch closes near a magnet. (a) True (b) False
  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 ON and C is ON. Does the bulb glow? (a) Yes (b) No
  36. 36.What does a toggle switch do? (a) closes when tipped over (b) works only while pressed (c) stays where you flip it (d) springs back when let go
  37. 37.True or false: a toggle switch stays where you flip it. (a) False (b) True
  38. 38.🔘 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) No (b) Yes
  39. 39.🔘 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) Yes (b) No
  40. 40.🔘 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

Answer key

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

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