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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 401 · 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 tilt switch do? (a) stays where you flip it (b) closes when tipped over (c) works only while pressed (d) flips up or down
  2. 2.What does a slide switch do? (a) closes near a magnet (b) flips up or down (c) slides side to side (d) closes when tipped over
  3. 3.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) stores current (c) changes the voltage (d) makes electricity
  4. 4.🔘 A cell, a bulb and switches A and B are joined one after another in a single loop (series). A is OFF and B is ON. Does the bulb glow? (a) Yes (b) No
  5. 5.What does a reed switch do? (a) closes when tipped over (b) works only while pressed (c) stays where you flip it (d) closes near a magnet
  6. 6.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a slide switch (c) a reed switch (d) a tilt switch
  7. 7.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a push button (c) a reed switch (d) a tilt switch
  8. 8.🔘 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) Yes (b) No
  9. 9.What does a push button do? (a) closes near a magnet (b) springs back when let go (c) stays where you flip it (d) slides side to side
  10. 10.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) only when both are OFF (c) never (d) when either is ON
  11. 11.🔘 A cell, a bulb and switches A and B are joined one after another in a single loop (series). A is OFF and B is OFF. Does the bulb glow? (a) No (b) Yes
  12. 12.🔘 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?
  13. 13.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  14. 14.🔘 Which kind of switch closes when tipped over? (a) a push button (b) a toggle switch (c) a slide switch (d) a tilt switch
  15. 15.🔘 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) Yes (b) No
  16. 16.🔘 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?
  17. 17.🔘 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
  18. 18.🔘 When a switch is ON, the circuit is … (a) closed (b) broken (c) cut (d) open
  19. 19.True or false: a toggle switch slides side to side. (a) True (b) False
  20. 20.True or false: a reed switch stays where you flip it. (a) False (b) True
  21. 21.🔘 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
  22. 22.🔘 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) Yes (b) No
  23. 23.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  24. 24.What does a push button do? (a) stays where you flip it (b) closes when tipped over (c) works only while pressed (d) slides side to side
  25. 25.True or false: a push button closes when tipped over. (a) True (b) False
  26. 26.🔘 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) Yes (b) No
  27. 27.🔘 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 ON and D is ON. Does the bulb glow? (a) No (b) Yes
  28. 28.What does a toggle switch do? (a) stays where you flip it (b) closes near a magnet (c) slides side to side (d) closes when tipped over
  29. 29.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a push button (c) a reed switch (d) a slide switch
  30. 30.🔘 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
  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 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
  33. 33.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are OFF (c) never (d) when both are ON
  34. 34.True or false: a toggle switch stays where you flip it. (a) False (b) True
  35. 35.What does a toggle switch do? (a) springs back when let go (b) closes near a magnet (c) flips up or down (d) closes when tipped over
  36. 36.🔘 A bulb and a cell are joined through 2 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  37. 37.🔘 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
  38. 38.🔘 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
  39. 39.True or false: a toggle switch works only while pressed. (a) False (b) True
  40. 40.🔘 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?

Answer key

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

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