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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 833 · 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.🔘 When a switch is ON, the circuit is … (a) cut (b) broken (c) open (d) closed
  2. 2.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) never (c) only when both are ON (d) only when both are OFF
  3. 3.What does a slide switch do? (a) works only while pressed (b) springs back when let go (c) slides side to side (d) closes when tipped over
  4. 4.🔘 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
  5. 5.🔘 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
  6. 6.🔘 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
  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 ON, B is ON, C is OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  8. 8.What does a push button do? (a) closes when tipped over (b) closes near a magnet (c) flips up or down (d) works only while pressed
  9. 9.True or false: a toggle switch stays where you flip it. (a) False (b) True
  10. 10.True or false: a toggle switch closes when tipped over. (a) True (b) False
  11. 11.🔘 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?
  12. 12.🔘 Which kind of switch slides side to side? (a) a reed switch (b) a slide switch (c) a toggle switch (d) a tilt switch
  13. 13.True or false: a tilt switch closes when tipped over. (a) True (b) False
  14. 14.🔘 Which kind of switch flips up or down? (a) a tilt switch (b) a reed switch (c) a toggle switch (d) a push button
  15. 15.🔘 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 OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  16. 16.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a reed switch (c) a tilt switch (d) a push button
  17. 17.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  18. 18.What does a toggle switch do? (a) stays where you flip it (b) works only while pressed (c) springs back when let go (d) closes near a magnet
  19. 19.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a push button (c) a toggle switch (d) a slide switch
  20. 20.What does a tilt switch do? (a) slides side to side (b) closes near a magnet (c) flips up or down (d) closes when tipped over
  21. 21.What does a push button do? (a) flips up or down (b) slides side to side (c) springs back when let go (d) stays where you flip it
  22. 22.🔘 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) Yes (b) No
  23. 23.🔘 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
  24. 24.🔘 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) No (b) Yes
  25. 25.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a push button (c) a tilt switch (d) a reed switch
  26. 26.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when both are ON (c) when either is ON (d) never
  27. 27.True or false: a reed switch closes when tipped over. (a) True (b) False
  28. 28.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a reed switch (c) a slide switch (d) a push button
  29. 29.What does a reed switch do? (a) springs back when let go (b) closes near a magnet (c) closes when tipped over (d) slides side to side
  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 OFF. Does the bulb glow? (a) No (b) Yes
  31. 31.🔘 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?
  32. 32.🔘 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
  33. 33.🔘 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?
  34. 34.True or false: a tilt switch works only while pressed. (a) True (b) False
  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 OFF, C is OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  36. 36.🔘 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?
  37. 37.What does a toggle switch do? (a) works only while pressed (b) springs back when let go (c) slides side to side (d) flips up or down
  38. 38.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a reed switch (c) a push button (d) a tilt switch
  39. 39.🔘 A bulb and a cell are joined through 4 switches on 4 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?
  40. 40.True or false: a slide switch closes when tipped over. (a) True (b) False

Answer key

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

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