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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 64 · 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.🔘 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 ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  2. 2.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a tilt switch (c) a push button (d) a toggle switch
  3. 3.🔘 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
  4. 4.🔘 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 ON and C is ON. Does the bulb glow? (a) No (b) Yes
  5. 5.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  6. 6.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a push button
  7. 7.What does a tilt switch do? (a) closes when tipped over (b) slides side to side (c) works only while pressed (d) springs back when let go
  8. 8.🔘 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
  9. 9.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a toggle switch (c) a push button (d) a reed switch
  10. 10.True or false: a toggle switch flips up or down. (a) True (b) False
  11. 11.What does a reed switch do? (a) closes when tipped over (b) closes near a magnet (c) flips up or down (d) springs back when let go
  12. 12.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) never (c) only when both are ON (d) only when both are OFF
  13. 13.🔘 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?
  14. 14.True or false: a reed switch springs back when let go. (a) True (b) False
  15. 15.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  16. 16.What does a toggle switch do? (a) works only while pressed (b) stays where you flip it (c) springs back when let go (d) slides side to side
  17. 17.🔘 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?
  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 OFF. Does the bulb glow? (a) No (b) Yes
  19. 19.True or false: a tilt switch closes when tipped over. (a) False (b) True
  20. 20.🔘 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?
  21. 21.True or false: a reed switch slides side to side. (a) True (b) False
  22. 22.True or false: a reed switch stays where you flip it. (a) True (b) False
  23. 23.What does a push button do? (a) stays where you flip it (b) closes near a magnet (c) works only while pressed (d) flips up or down
  24. 24.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a tilt switch
  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 OFF. Does the bulb glow? (a) Yes (b) No
  26. 26.🔘 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?
  27. 27.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) changes the voltage (c) stores current (d) makes electricity
  28. 28.🔘 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
  29. 29.🔘 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) No (b) Yes
  30. 30.True or false: a slide switch works only while pressed. (a) True (b) False
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  32. 32.What does a push button do? (a) closes near a magnet (b) stays where you flip it (c) slides side to side (d) springs back when let go
  33. 33.True or false: a push button works only while pressed. (a) False (b) True
  34. 34.True or false: a toggle switch stays where you flip it. (a) True (b) False
  35. 35.🔘 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
  36. 36.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
  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 OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  38. 38.True or false: a slide switch slides side to side. (a) True (b) False
  39. 39.🔘 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) No (b) Yes
  40. 40.What does a slide switch do? (a) springs back when let go (b) slides side to side (c) closes near a magnet (d) closes when tipped over

Answer key

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

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