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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 108 · 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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  2. 2.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a reed switch (c) a slide switch (d) a toggle switch
  3. 3.🔘 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?
  4. 4.True or false: a tilt switch works only while pressed. (a) False (b) True
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  6. 6.🔘 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
  7. 7.🔘 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?
  8. 8.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) never (c) when both are OFF (d) when either is ON
  9. 9.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a push button (c) a toggle switch (d) a tilt switch
  10. 10.🔘 Which kind of switch closes near a magnet? (a) a tilt switch (b) a toggle switch (c) a push button (d) a reed switch
  11. 11.🔘 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) Yes (b) No
  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 ON and C is ON. Does the bulb glow? (a) Yes (b) No
  13. 13.🔘 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?
  14. 14.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a reed switch (c) a push button (d) a tilt switch
  15. 15.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a toggle switch (c) a push button (d) a tilt switch
  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 toggle switch closes when tipped over. (a) False (b) True
  18. 18.True or false: a push button stays where you flip it. (a) True (b) False
  19. 19.🔘 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?
  20. 20.True or false: a slide switch works only while pressed. (a) True (b) False
  21. 21.🔘 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
  22. 22.🔘 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 ON, C is OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  23. 23.🔘 When a switch is ON, the circuit is … (a) cut (b) closed (c) broken (d) open
  24. 24.True or false: a push button springs back when let go. (a) False (b) True
  25. 25.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a tilt switch (c) a slide switch (d) a toggle switch
  26. 26.What does a toggle switch do? (a) works only while pressed (b) slides side to side (c) closes near a magnet (d) flips up or down
  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 OFF, B is ON and C is ON. Does the bulb glow? (a) Yes (b) No
  28. 28.🔘 Which kind of switch works only while pressed? (a) a push button (b) a tilt switch (c) a reed switch (d) a slide switch
  29. 29.What does a reed switch do? (a) closes when tipped over (b) slides side to side (c) flips up or down (d) closes near a magnet
  30. 30.True or false: a toggle switch closes near a magnet. (a) False (b) True
  31. 31.🔘 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?
  32. 32.What does a tilt switch do? (a) springs back when let go (b) works only while pressed (c) closes near a magnet (d) closes when tipped over
  33. 33.What does a slide switch do? (a) slides side to side (b) springs back when let go (c) works only while pressed (d) stays where you flip it
  34. 34.True or false: a reed switch works only while pressed. (a) True (b) False
  35. 35.True or false: a reed switch closes when tipped over. (a) False (b) True
  36. 36.🔘 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
  37. 37.True or false: a push button closes when tipped over. (a) True (b) False
  38. 38.True or false: a reed switch stays where you flip it. (a) False (b) True
  39. 39.🔘 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) No (b) Yes
  40. 40.🔘 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

Answer key

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

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