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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 439 · 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.🔘 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
  2. 2.True or false: a push button slides side to side. (a) True (b) False
  3. 3.True or false: a toggle switch closes near a magnet. (a) False (b) True
  4. 4.True or false: a toggle switch slides side to side. (a) False (b) True
  5. 5.True or false: a toggle switch stays where you flip it. (a) False (b) True
  6. 6.True or false: a slide switch slides side to side. (a) True (b) False
  7. 7.🔘 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 ON and D is ON. Does the bulb glow? (a) Yes (b) No
  8. 8.🔘 Which kind of switch slides side to side? (a) a push button (b) a toggle switch (c) a reed switch (d) a slide switch
  9. 9.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a reed switch (c) a slide switch (d) a tilt switch
  10. 10.🔘 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
  11. 11.What does a slide switch do? (a) stays where you flip it (b) slides side to side (c) closes near a magnet (d) flips up or down
  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 ON, B is OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  13. 13.What does a toggle switch do? (a) closes when tipped over (b) flips up or down (c) slides side to side (d) closes near a magnet
  14. 14.🔘 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?
  15. 15.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  16. 16.True or false: a reed switch stays where you flip it. (a) False (b) True
  17. 17.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) when both are OFF (c) never (d) when either is ON
  18. 18.🔘 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?
  19. 19.🔘 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) No (b) Yes
  20. 20.🔘 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) Yes (b) No
  21. 21.🔘 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?
  22. 22.🔘 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
  23. 23.What does a push button do? (a) stays where you flip it (b) springs back when let go (c) flips up or down (d) slides side to side
  24. 24.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) when either is ON (c) never (d) only when both are OFF
  25. 25.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  26. 26.🔘 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) Yes (b) No
  27. 27.🔘 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?
  28. 28.🔘 Which kind of switch works only while pressed? (a) a slide switch (b) a push button (c) a tilt switch (d) a reed switch
  29. 29.What does a toggle switch do? (a) stays where you flip it (b) works only while pressed (c) slides side to side (d) closes near a magnet
  30. 30.🔘 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) No (b) Yes
  31. 31.🔘 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
  32. 32.🔘 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
  33. 33.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a reed switch (c) a tilt switch (d) a toggle switch
  34. 34.🔘 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?
  35. 35.True or false: a push button stays where you flip it. (a) True (b) False
  36. 36.True or false: a toggle switch flips up or down. (a) False (b) True
  37. 37.🔘 When a switch is ON, the circuit is … (a) cut (b) broken (c) closed (d) open
  38. 38.🔘 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
  39. 39.🔘 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) Yes (b) No
  40. 40.What does a push button do? (a) works only while pressed (b) slides side to side (c) closes when tipped over (d) stays where you flip it

Answer key

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

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