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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 651 · 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.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a reed switch (c) a push button (d) a slide switch
  2. 2.🔘 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
  3. 3.True or false: a slide switch slides side to side. (a) False (b) True
  4. 4.True or false: a slide switch closes when tipped over. (a) False (b) True
  5. 5.What does a tilt switch do? (a) flips up or down (b) slides side to side (c) works only while pressed (d) closes when tipped over
  6. 6.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a toggle switch (c) a push button (d) a tilt switch
  7. 7.🔘 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) Yes (b) No
  8. 8.🔘 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) Yes (b) No
  9. 9.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) makes electricity (c) changes the voltage (d) stores current
  10. 10.🔘 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
  11. 11.🔘 Which kind of switch slides side to side? (a) a push button (b) a toggle switch (c) a slide switch (d) a reed switch
  12. 12.What does a push button do? (a) closes when tipped over (b) slides side to side (c) springs back when let go (d) flips up or down
  13. 13.🔘 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
  14. 14.What does a slide switch do? (a) flips up or down (b) slides side to side (c) closes near a magnet (d) works only while pressed
  15. 15.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a reed switch (c) a toggle switch (d) a push button
  16. 16.🔘 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
  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) No (b) Yes
  18. 18.True or false: a reed switch closes when tipped over. (a) False (b) True
  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) Yes (b) No
  20. 20.🔘 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
  21. 21.What does a toggle switch do? (a) springs back when let go (b) closes near a magnet (c) slides side to side (d) flips up or down
  22. 22.🔘 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?
  23. 23.🔘 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) Yes (b) No
  24. 24.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when both are OFF (c) when either is ON (d) when both are ON
  25. 25.🔘 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) Yes (b) No
  26. 26.🔘 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) No (b) Yes
  27. 27.🔘 Which kind of switch flips up or down? (a) a tilt switch (b) a toggle switch (c) a push button (d) a slide switch
  28. 28.True or false: a tilt switch stays where you flip it. (a) True (b) False
  29. 29.🔘 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?
  30. 30.🔘 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?
  31. 31.True or false: a toggle switch slides side to side. (a) True (b) False
  32. 32.🔘 Which kind of switch works only while pressed? (a) a push button (b) a slide switch (c) a tilt switch (d) a reed switch
  33. 33.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) only when both are ON (c) only when both are OFF (d) when either is ON
  34. 34.🔘 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?
  35. 35.🔘 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) Yes (b) No
  36. 36.🔘 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
  37. 37.🔘 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) Yes (b) No
  38. 38.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when both are ON (c) never (d) when either is ON
  39. 39.🔘 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?
  40. 40.What does a reed switch do? (a) stays where you flip it (b) closes near a magnet (c) works only while pressed (d) springs back when let go

Answer key

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

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