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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 442 · 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.🔘 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
  3. 3.What does a tilt switch do? (a) flips up or down (b) closes when tipped over (c) stays where you flip it (d) slides side to side
  4. 4.True or false: a reed switch flips up or down. (a) False (b) True
  5. 5.🔘 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
  6. 6.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a slide switch (c) a toggle switch (d) a tilt switch
  7. 7.🔘 A bulb and a cell are joined through 5 switches on 5 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?
  8. 8.🔘 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) Yes (b) No
  9. 9.🔘 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
  10. 10.🔘 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
  11. 11.🔘 When a switch is ON, the circuit is … (a) closed (b) broken (c) open (d) cut
  12. 12.🔘 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) No (b) Yes
  13. 13.🔘 Which kind of switch slides side to side? (a) a push button (b) a toggle switch (c) a slide switch (d) a reed switch
  14. 14.🔘 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
  15. 15.🔘 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?
  16. 16.What does a slide switch do? (a) springs back when let go (b) works only while pressed (c) slides side to side (d) closes when tipped over
  17. 17.What does a push button do? (a) springs back when let go (b) flips up or down (c) closes near a magnet (d) stays where you flip it
  18. 18.True or false: a push button works only while pressed. (a) False (b) True
  19. 19.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a push button (c) a toggle switch (d) a tilt switch
  20. 20.🔘 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) No (b) Yes
  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 OFF, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  22. 22.What does a reed switch do? (a) works only while pressed (b) closes near a magnet (c) springs back when let go (d) stays where you flip it
  23. 23.🔘 Which kind of switch closes near a magnet? (a) a reed switch (b) a push button (c) a slide switch (d) a tilt switch
  24. 24.🔘 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
  25. 25.What does a toggle switch do? (a) works only while pressed (b) springs back when let go (c) closes when tipped over (d) flips up or down
  26. 26.What does a toggle switch do? (a) works only while pressed (b) closes when tipped over (c) slides side to side (d) stays where you flip it
  27. 27.🔘 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?
  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 ON, B is OFF, C is OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  29. 29.🔘 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?
  30. 30.🔘 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
  31. 31.🔘 What does a switch do in a circuit? (a) makes electricity (b) stores current (c) changes the voltage (d) opens or closes the loop
  32. 32.🔘 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) No (b) Yes
  33. 33.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) when both are OFF (c) when either is ON (d) never
  34. 34.🔘 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) No (b) Yes
  35. 35.🔘 Which kind of switch works only while pressed? (a) a slide switch (b) a reed switch (c) a tilt switch (d) a push button
  36. 36.True or false: a toggle switch springs back when let go. (a) True (b) False
  37. 37.🔘 Which kind of switch springs back when let go? (a) a reed switch (b) a push button (c) a tilt switch (d) a toggle switch
  38. 38.What does a push button do? (a) closes when tipped over (b) closes near a magnet (c) stays where you flip it (d) works only while pressed
  39. 39.True or false: a toggle switch slides side to side. (a) True (b) False
  40. 40.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a tilt switch (c) a toggle switch (d) a reed switch

Answer key

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

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