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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 277 · 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.True or false: a reed switch slides side to side. (a) True (b) False
  2. 2.True or false: a slide switch stays where you flip it. (a) False (b) True
  3. 3.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a reed switch (c) a slide switch (d) a push button
  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 ON and B is ON. Does the bulb glow? (a) No (b) Yes
  5. 5.What does a reed switch do? (a) closes near a magnet (b) stays where you flip it (c) flips up or down (d) works only while pressed
  6. 6.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a reed switch (c) a push button (d) a toggle switch
  7. 7.🔘 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
  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 ON, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  9. 9.🔘 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
  10. 10.🔘 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?
  11. 11.🔘 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
  12. 12.True or false: a push button springs back when let go. (a) True (b) False
  13. 13.🔘 What does a switch do in a circuit? (a) changes the voltage (b) opens or closes the loop (c) stores current (d) makes electricity
  14. 14.True or false: a toggle switch closes when tipped over. (a) False (b) True
  15. 15.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) never (c) only when both are OFF (d) when either is ON
  16. 16.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a push button (c) a toggle switch (d) a reed switch
  17. 17.🔘 When a switch is ON, the circuit is … (a) cut (b) closed (c) open (d) broken
  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 OFF and B is OFF. Does the bulb glow? (a) No (b) Yes
  19. 19.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are ON (c) never (d) when both are OFF
  20. 20.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a reed switch (c) a slide switch (d) a push button
  21. 21.What does a push button do? (a) stays where you flip it (b) closes near a magnet (c) springs back when let go (d) slides side to side
  22. 22.🔘 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
  23. 23.🔘 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?
  24. 24.🔘 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
  25. 25.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  26. 26.🔘 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 OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  27. 27.🔘 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) Yes (b) No
  28. 28.🔘 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
  29. 29.True or false: a toggle switch flips up or down. (a) True (b) False
  30. 30.🔘 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
  31. 31.What does a toggle switch do? (a) closes when tipped over (b) flips up or down (c) slides side to side (d) works only while pressed
  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.True or false: a tilt switch stays where you flip it. (a) True (b) False
  34. 34.🔘 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) Yes (b) No
  35. 35.🔘 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 ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  36. 36.What does a toggle switch do? (a) stays where you flip it (b) slides side to side (c) springs back when let go (d) closes when tipped over
  37. 37.🔘 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
  38. 38.🔘 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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  39. 39.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a reed switch (c) a tilt switch (d) a slide switch
  40. 40.What does a push button do? (a) stays where you flip it (b) slides side to side (c) closes near a magnet (d) works only while pressed

Answer key

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

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