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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 727 · 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.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) when both are OFF (c) never (d) when either is ON
  2. 2.🔘 What does a switch do in a circuit? (a) makes electricity (b) stores current (c) changes the voltage (d) opens or closes the loop
  3. 3.🔘 Which kind of switch works only while pressed? (a) a push button (b) a reed switch (c) a tilt switch (d) a toggle switch
  4. 4.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) never (c) when either is ON (d) only when both are OFF
  5. 5.What does a tilt switch do? (a) closes when tipped over (b) flips up or down (c) works only while pressed (d) springs back when let go
  6. 6.True or false: a tilt switch slides side to side. (a) False (b) True
  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 OFF. Does the bulb glow? (a) Yes (b) No
  8. 8.🔘 Which kind of switch closes near a magnet? (a) a tilt switch (b) a push button (c) a toggle switch (d) a reed switch
  9. 9.What does a slide switch do? (a) works only while pressed (b) springs back when let go (c) slides side to side (d) stays where you flip it
  10. 10.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a push button (c) a toggle switch (d) a tilt switch
  11. 11.What does a reed switch do? (a) works only while pressed (b) closes near a magnet (c) flips up or down (d) slides side to side
  12. 12.🔘 Which kind of switch slides side to side? (a) a push button (b) a slide switch (c) a reed switch (d) a toggle switch
  13. 13.🔘 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 ON, B is ON and C is ON. Does the bulb glow? (a) No (b) Yes
  14. 14.🔘 Which kind of switch flips up or down? (a) a push button (b) a toggle switch (c) a reed switch (d) a slide switch
  15. 15.True or false: a reed switch closes near a magnet. (a) True (b) False
  16. 16.What does a toggle switch do? (a) springs back when let go (b) closes when tipped over (c) closes near a magnet (d) stays where you flip it
  17. 17.🔘 When a switch is ON, the circuit is … (a) broken (b) closed (c) open (d) cut
  18. 18.🔘 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) Yes (b) No
  19. 19.🔘 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
  20. 20.What does a push button do? (a) stays where you flip it (b) works only while pressed (c) flips up or down (d) slides side to side
  21. 21.True or false: a push button springs back when let go. (a) True (b) False
  22. 22.🔘 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
  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 OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  24. 24.What does a push button do? (a) stays where you flip it (b) slides side to side (c) springs back when let go (d) closes near a magnet
  25. 25.🔘 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
  26. 26.What does a toggle switch do? (a) works only while pressed (b) closes near a magnet (c) slides side to side (d) flips up or down
  27. 27.True or false: a push button works only while pressed. (a) False (b) True
  28. 28.True or false: a slide switch closes when tipped over. (a) True (b) False
  29. 29.🔘 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
  30. 30.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  31. 31.🔘 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?
  32. 32.🔘 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
  33. 33.🔘 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
  34. 34.True or false: a tilt switch springs back when let go. (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 OFF. Does the bulb glow? (a) No (b) Yes
  36. 36.🔘 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
  37. 37.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  38. 38.🔘 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) Yes (b) No
  39. 39.🔘 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 ON and C is ON. Does the bulb glow? (a) No (b) Yes
  40. 40.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a slide switch (c) a tilt switch (d) a push button

Answer key

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

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