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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 721 · 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 toggle switch stays where you flip it. (a) False (b) True
  2. 2.What does a toggle switch do? (a) closes near a magnet (b) closes when tipped over (c) springs back when let go (d) stays where you flip it
  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) No (b) Yes
  4. 4.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  5. 5.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a tilt switch (c) a push button (d) a toggle switch
  6. 6.🔘 When a switch is ON, the circuit is … (a) broken (b) cut (c) open (d) closed
  7. 7.🔘 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
  8. 8.What does a toggle switch do? (a) flips up or down (b) slides side to side (c) springs back when let go (d) closes near a magnet
  9. 9.True or false: a toggle switch springs back when let go. (a) False (b) True
  10. 10.True or false: a tilt switch slides side to side. (a) True (b) False
  11. 11.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when both are ON (c) when either is ON (d) when both are OFF
  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 OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  13. 13.🔘 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) when either is ON (d) never
  14. 14.What does a reed switch do? (a) springs back when let go (b) closes near a magnet (c) closes when tipped over (d) flips up or down
  15. 15.🔘 What does a switch do in a circuit? (a) makes electricity (b) changes the voltage (c) opens or closes the loop (d) stores current
  16. 16.True or false: a tilt switch closes when tipped over. (a) False (b) True
  17. 17.🔘 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) No (b) Yes
  18. 18.🔘 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?
  19. 19.What does a push button do? (a) stays where you flip it (b) closes near a magnet (c) works only while pressed (d) flips up or down
  20. 20.🔘 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?
  21. 21.🔘 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 ON and D is ON. Does the bulb glow? (a) Yes (b) No
  22. 22.True or false: a push button springs back when let go. (a) False (b) True
  23. 23.🔘 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
  24. 24.True or false: a tilt switch works only while pressed. (a) True (b) False
  25. 25.🔘 Which kind of switch closes when tipped over? (a) a reed switch (b) a toggle switch (c) a tilt switch (d) a push button
  26. 26.🔘 Which kind of switch flips up or down? (a) a tilt switch (b) a push button (c) a toggle switch (d) a slide switch
  27. 27.🔘 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 ON and D is ON. Does the bulb glow? (a) No (b) Yes
  28. 28.🔘 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
  29. 29.🔘 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
  30. 30.🔘 Which kind of switch springs back when let go? (a) a push button (b) a tilt switch (c) a reed switch (d) a slide switch
  31. 31.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  33. 33.🔘 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
  34. 34.What does a tilt switch do? (a) slides side to side (b) springs back when let go (c) works only while pressed (d) closes when tipped over
  35. 35.🔘 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 ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  36. 36.🔘 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?
  37. 37.🔘 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?
  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.What does a slide switch do? (a) flips up or down (b) stays where you flip it (c) slides side to side (d) springs back when let go
  40. 40.True or false: a reed switch stays where you flip it. (a) False (b) True

Answer key

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

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