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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 994 · 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) when either is ON (d) never
  2. 2.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a push button (c) a slide switch (d) a reed switch
  3. 3.True or false: a push button closes near a magnet. (a) False (b) True
  4. 4.🔘 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) No (b) Yes
  5. 5.🔘 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) No (b) Yes
  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 OFF, B is OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  7. 7.What does a toggle switch do? (a) closes near a magnet (b) closes when tipped over (c) flips up or down (d) slides side to side
  8. 8.True or false: a tilt switch closes when tipped over. (a) False (b) True
  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 ON, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  10. 10.True or false: a reed switch closes near a magnet. (a) True (b) False
  11. 11.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a push button (c) a tilt switch (d) a slide switch
  12. 12.🔘 Which kind of switch closes near a magnet? (a) a tilt switch (b) a slide switch (c) a toggle switch (d) a reed switch
  13. 13.🔘 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
  14. 14.🔘 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 OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  15. 15.🔘 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
  16. 16.🔘 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
  17. 17.🔘 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 ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  18. 18.True or false: a toggle switch flips up or down. (a) False (b) True
  19. 19.True or false: a reed switch flips up or down. (a) True (b) False
  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 ON, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  21. 21.🔘 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?
  22. 22.🔘 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) No (b) Yes
  23. 23.What does a reed switch do? (a) closes near a magnet (b) stays where you flip it (c) slides side to side (d) flips up or down
  24. 24.🔘 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) No (b) Yes
  25. 25.True or false: a push button works only while pressed. (a) True (b) False
  26. 26.True or false: a slide switch slides side to side. (a) False (b) True
  27. 27.What does a tilt switch do? (a) flips up or down (b) works only while pressed (c) closes when tipped over (d) springs back when let go
  28. 28.🔘 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 ON and D is ON. Does the bulb glow? (a) No (b) Yes
  29. 29.🔘 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
  30. 30.What does a slide switch do? (a) closes near a magnet (b) springs back when let go (c) slides side to side (d) stays where you flip it
  31. 31.🔘 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) No (b) Yes
  32. 32.🔘 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?
  33. 33.🔘 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?
  34. 34.🔘 When a switch is ON, the circuit is … (a) open (b) cut (c) closed (d) broken
  35. 35.True or false: a toggle switch stays where you flip it. (a) True (b) False
  36. 36.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  37. 37.What does a push button do? (a) springs back when let go (b) slides side to side (c) flips up or down (d) stays where you flip it
  38. 38.🔘 What does a switch do in a circuit? (a) changes the voltage (b) stores current (c) opens or closes the loop (d) makes electricity
  39. 39.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  40. 40.True or false: a toggle switch works only while pressed. (a) True (b) False

Answer key

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

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