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Electronics Worksheet: Switches in a Circuit

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

Answer key

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

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