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Electronics Worksheet: Switches in a Circuit

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

Answer key

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

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