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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 742 · 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 2 side-by-side paths with one switch on each path — A and B (parallel). A is OFF and B is OFF. Does the bulb glow? (a) No (b) Yes
  2. 2.What does a tilt switch do? (a) closes when tipped over (b) closes near a magnet (c) works only while pressed (d) flips up or down
  3. 3.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) when either is ON (c) never (d) only when both are ON
  4. 4.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a reed switch (c) a slide switch (d) a push button
  5. 5.True or false: a reed switch springs back when let go. (a) False (b) True
  6. 6.🔘 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) No (b) Yes
  7. 7.True or false: a push button springs back when let go. (a) True (b) False
  8. 8.🔘 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) Yes (b) No
  9. 9.True or false: a push button works only while pressed. (a) True (b) False
  10. 10.🔘 Which kind of switch springs back when let go? (a) a reed switch (b) a toggle switch (c) a slide switch (d) a push button
  11. 11.True or false: a toggle switch slides side to side. (a) True (b) False
  12. 12.🔘 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
  13. 13.🔘 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
  14. 14.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a tilt switch (c) a reed switch (d) a toggle 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 ON, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  16. 16.🔘 When a switch is ON, the circuit is … (a) open (b) cut (c) broken (d) closed
  17. 17.True or false: a tilt switch works only while pressed. (a) False (b) True
  18. 18.True or false: a slide switch works only while pressed. (a) False (b) True
  19. 19.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
  20. 20.What does a slide switch do? (a) flips up or down (b) slides side to side (c) closes near a magnet (d) closes when tipped over
  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) No (b) Yes
  22. 22.🔘 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?
  23. 23.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  24. 24.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a reed switch (c) a toggle switch (d) a tilt switch
  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.True or false: a toggle switch closes near a magnet. (a) True (b) False
  27. 27.🔘 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 ON, B is OFF, C is OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  28. 28.🔘 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?
  29. 29.🔘 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
  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 ON and C is ON. Does the bulb glow? (a) No (b) Yes
  31. 31.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a tilt switch
  32. 32.🔘 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 OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  33. 33.🔘 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) Yes (b) No
  34. 34.🔘 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?
  35. 35.What does a toggle switch do? (a) springs back when let go (b) works only while pressed (c) closes near a magnet (d) flips up or down
  36. 36.True or false: a toggle switch works only while pressed. (a) True (b) False
  37. 37.🔘 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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  38. 38.True or false: a toggle switch flips up or down. (a) False (b) True
  39. 39.🔘 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) No (b) Yes
  40. 40.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes

Answer key

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

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