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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 101 · 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) springs back when let go (d) closes near a magnet
  2. 2.True or false: a reed switch closes near a magnet. (a) False (b) True
  3. 3.True or false: a reed switch flips up or down. (a) False (b) True
  4. 4.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) only when both are OFF (c) never (d) only when both are ON
  5. 5.🔘 Which kind of switch flips up or down? (a) a tilt switch (b) a push button (c) a toggle switch (d) a slide switch
  6. 6.🔘 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?
  7. 7.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a toggle switch (c) a tilt switch (d) a slide switch
  8. 8.🔘 When a switch is ON, the circuit is … (a) broken (b) cut (c) closed (d) open
  9. 9.What does a reed switch do? (a) flips up or down (b) closes when tipped over (c) works only while pressed (d) closes near a magnet
  10. 10.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a tilt switch (c) a push button (d) a slide switch
  11. 11.🔘 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
  12. 12.🔘 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?
  13. 13.🔘 Which kind of switch slides side to side? (a) a push button (b) a tilt switch (c) a reed switch (d) a slide 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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  15. 15.🔘 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) Yes (b) No
  16. 16.True or false: a toggle switch stays where you flip it. (a) True (b) False
  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 OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  18. 18.What does a slide switch do? (a) stays where you flip it (b) closes when tipped over (c) slides side to side (d) closes near a magnet
  19. 19.🔘 Which kind of switch closes when tipped over? (a) a push button (b) a reed switch (c) a tilt switch (d) a toggle switch
  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 OFF, B is ON and C is ON. Does the bulb glow? (a) No (b) Yes
  21. 21.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  22. 22.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  23. 23.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  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 ON, C is OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  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 ON, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  26. 26.True or false: a toggle switch closes when tipped over. (a) True (b) False
  27. 27.What does a tilt switch do? (a) slides side to side (b) closes when tipped over (c) works only while pressed (d) springs back when let go
  28. 28.True or false: a slide switch slides side to side. (a) False (b) True
  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) No (b) Yes
  30. 30.True or false: a tilt switch works only while pressed. (a) False (b) True
  31. 31.🔘 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 OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  32. 32.What does a toggle switch do? (a) closes near a magnet (b) works only while pressed (c) flips up or down (d) slides side to side
  33. 33.🔘 What does a switch do in a circuit? (a) makes electricity (b) stores current (c) changes the voltage (d) opens or closes the loop
  34. 34.🔘 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
  35. 35.🔘 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?
  36. 36.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  37. 37.🔘 Which kind of switch closes near a magnet? (a) a reed switch (b) a tilt switch (c) a toggle switch (d) a slide switch
  38. 38.True or false: a push button closes when tipped over. (a) True (b) False
  39. 39.🔘 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?
  40. 40.🔘 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

Answer key

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

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