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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 746 · 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.True or false: a reed switch flips up or down. (a) False (b) True
  2. 2.True or false: a tilt switch flips up or down. (a) True (b) False
  3. 3.🔘 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
  4. 4.🔘 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
  5. 5.What does a push button do? (a) slides side to side (b) stays where you flip it (c) flips up or down (d) springs back when let go
  6. 6.🔘 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
  7. 7.What does a tilt switch do? (a) closes when tipped over (b) springs back when let go (c) slides side to side (d) closes near a magnet
  8. 8.What does a slide switch do? (a) springs back when let go (b) stays where you flip it (c) closes when tipped over (d) slides side to side
  9. 9.True or false: a toggle switch flips up or down. (a) True (b) False
  10. 10.🔘 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) Yes (b) No
  11. 11.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a tilt switch (c) a push button (d) a slide switch
  12. 12.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  13. 13.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  14. 14.What does a reed switch do? (a) works only while pressed (b) closes near a magnet (c) springs back when let go (d) flips up or down
  15. 15.True or false: a push button springs back when let go. (a) True (b) False
  16. 16.🔘 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) No (b) Yes
  17. 17.True or false: a reed switch works only while pressed. (a) True (b) False
  18. 18.True or false: a slide switch slides side to side. (a) True (b) False
  19. 19.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when either is ON (c) when both are ON (d) when both are OFF
  20. 20.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a tilt switch (c) a reed switch (d) a push button
  21. 21.🔘 When a switch is ON, the circuit is … (a) cut (b) broken (c) open (d) closed
  22. 22.🔘 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?
  23. 23.🔘 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) only when both are OFF (d) never
  24. 24.True or false: a toggle switch slides side to side. (a) True (b) False
  25. 25.🔘 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) No (b) Yes
  26. 26.True or false: a reed switch closes when tipped over. (a) True (b) False
  27. 27.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a push button (c) a toggle switch (d) a reed switch
  28. 28.🔘 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
  29. 29.True or false: a tilt switch closes when tipped over. (a) False (b) True
  30. 30.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  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 ON and C is ON. Does the bulb glow? (a) Yes (b) No
  32. 32.🔘 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
  33. 33.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  34. 34.🔘 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?
  35. 35.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a tilt switch (c) a toggle switch (d) a reed switch
  36. 36.🔘 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) No (b) Yes
  37. 37.True or false: a reed switch closes near a magnet. (a) True (b) False
  38. 38.🔘 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) Yes (b) No
  39. 39.True or false: a toggle switch stays where you flip it. (a) False (b) True
  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 ON, B is ON, C is OFF and D is OFF. Does the bulb glow? (a) No (b) Yes

Answer key

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

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