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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 903 · 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 push button closes when tipped over. (a) False (b) True
  2. 2.What does a reed switch do? (a) slides side to side (b) stays where you flip it (c) closes near a magnet (d) works only while pressed
  3. 3.What does a tilt switch do? (a) works only while pressed (b) slides side to side (c) closes when tipped over (d) stays where you flip it
  4. 4.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a slide switch (c) a push button (d) a toggle switch
  5. 5.🔘 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
  6. 6.🔘 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?
  7. 7.🔘 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?
  8. 8.🔘 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
  9. 9.🔘 When a switch is ON, the circuit is … (a) open (b) cut (c) closed (d) broken
  10. 10.What does a push button do? (a) stays where you flip it (b) works only while pressed (c) slides side to side (d) closes when tipped over
  11. 11.🔘 Which kind of switch slides side to side? (a) a push button (b) a tilt switch (c) a slide switch (d) a reed switch
  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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  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 ON. Does the bulb glow? (a) Yes (b) No
  14. 14.True or false: a toggle switch flips up or down. (a) True (b) False
  15. 15.🔘 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?
  16. 16.🔘 Which kind of switch closes near a magnet? (a) a tilt switch (b) a toggle switch (c) a reed switch (d) a slide switch
  17. 17.True or false: a push button springs back when let go. (a) False (b) True
  18. 18.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are ON (c) when both are OFF (d) never
  19. 19.What does a toggle switch do? (a) flips up or down (b) slides side to side (c) springs back when let go (d) works only while pressed
  20. 20.🔘 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) 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 OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  22. 22.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) never (c) only when both are ON (d) when either is ON
  23. 23.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a slide switch (c) a toggle switch (d) a push button
  24. 24.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a reed switch (c) a slide switch (d) a tilt switch
  25. 25.True or false: a toggle switch slides side to side. (a) True (b) False
  26. 26.True or false: a toggle switch closes when tipped over. (a) False (b) True
  27. 27.🔘 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
  28. 28.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a push button (c) a slide switch (d) a reed switch
  29. 29.🔘 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) No (b) Yes
  30. 30.What does a toggle switch do? (a) springs back when let go (b) stays where you flip it (c) closes when tipped over (d) slides side to side
  31. 31.What does a push button do? (a) slides side to side (b) closes when tipped over (c) springs back when let go (d) stays where you flip it
  32. 32.🔘 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?
  33. 33.🔘 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
  34. 34.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  35. 35.What does a slide switch do? (a) stays where you flip it (b) works only while pressed (c) slides side to side (d) flips up or down
  36. 36.True or false: a toggle switch stays where you flip it. (a) False (b) True
  37. 37.True or false: a slide switch slides side to side. (a) False (b) True
  38. 38.🔘 What does a switch do in a circuit? (a) makes electricity (b) opens or closes the loop (c) stores current (d) changes the voltage
  39. 39.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  40. 40.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a toggle switch (c) a push button (d) a slide switch

Answer key

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

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