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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 242 · 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.What does a toggle switch do? (a) slides side to side (b) stays where you flip it (c) works only while pressed (d) springs back when let go
  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 OFF, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  3. 3.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a reed switch (c) a tilt switch (d) a toggle switch
  4. 4.What does a tilt switch do? (a) slides side to side (b) stays where you flip it (c) closes when tipped over (d) closes near a magnet
  5. 5.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a reed switch (c) a tilt switch (d) a toggle switch
  6. 6.🔘 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
  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 OFF, B is OFF, C is OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  8. 8.🔘 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) Yes (b) No
  9. 9.🔘 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) No (b) Yes
  10. 10.🔘 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?
  11. 11.What does a toggle switch do? (a) springs back when let go (b) closes when tipped over (c) slides side to side (d) flips up or down
  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 OFF, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  13. 13.True or false: a push button flips up or down. (a) True (b) False
  14. 14.🔘 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) Yes (b) No
  15. 15.🔘 Which kind of switch slides side to side? (a) a reed switch (b) a toggle switch (c) a slide switch (d) a push button
  16. 16.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a push button (c) a slide switch (d) a tilt switch
  17. 17.True or false: a reed switch closes near a magnet. (a) False (b) True
  18. 18.🔘 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
  19. 19.What does a push button do? (a) stays where you flip it (b) works only while pressed (c) slides side to side (d) flips up or down
  20. 20.🔘 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) Yes (b) No
  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 OFF. Does the bulb glow? (a) No (b) Yes
  22. 22.🔘 When a switch is ON, the circuit is … (a) open (b) broken (c) cut (d) closed
  23. 23.🔘 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
  24. 24.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a toggle switch (c) a push button (d) a tilt switch
  25. 25.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  26. 26.What does a reed switch do? (a) flips up or down (b) slides side to side (c) closes near a magnet (d) stays where you flip it
  27. 27.What does a slide switch do? (a) springs back when let go (b) slides side to side (c) closes when tipped over (d) works only while pressed
  28. 28.True or false: a toggle switch slides side to side. (a) False (b) True
  29. 29.🔘 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?
  30. 30.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) when either is ON (c) only when both are ON (d) never
  31. 31.🔘 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?
  32. 32.True or false: a slide switch slides side to side. (a) False (b) True
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  34. 34.🔘 What does a switch do in a circuit? (a) changes the voltage (b) stores current (c) opens or closes the loop (d) makes electricity
  35. 35.True or false: a toggle switch stays where you flip it. (a) True (b) False
  36. 36.🔘 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
  37. 37.🔘 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) Yes (b) No
  38. 38.🔘 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
  39. 39.🔘 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
  40. 40.What does a push button do? (a) flips up or down (b) stays where you flip it (c) slides side to side (d) springs back when let go

Answer key

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

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