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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 412 · 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.🔘 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) Yes (b) No
  2. 2.What does a push button do? (a) slides side to side (b) stays where you flip it (c) closes near a magnet (d) springs back when let go
  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 ON and D is OFF. Does the bulb glow? (a) Yes (b) No
  4. 4.True or false: a slide switch stays where you flip it. (a) False (b) True
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  6. 6.🔘 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
  7. 7.🔘 When a switch is ON, the circuit is … (a) cut (b) open (c) broken (d) closed
  8. 8.🔘 Which kind of switch slides side to side? (a) a push button (b) a slide switch (c) a toggle switch (d) a reed switch
  9. 9.What does a slide switch do? (a) stays where you flip it (b) slides side to side (c) works only while pressed (d) closes near a magnet
  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 OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  11. 11.What does a toggle switch do? (a) closes near a magnet (b) slides side to side (c) closes when tipped over (d) stays where you flip it
  12. 12.True or false: a push button stays where you flip it. (a) False (b) True
  13. 13.True or false: a tilt switch closes near a magnet. (a) False (b) True
  14. 14.True or false: a slide switch closes near a magnet. (a) True (b) False
  15. 15.What does a tilt switch do? (a) closes when tipped over (b) slides side to side (c) flips up or down (d) stays where you flip it
  16. 16.True or false: a toggle switch stays where you flip it. (a) False (b) True
  17. 17.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a reed switch (c) a tilt switch (d) a toggle switch
  18. 18.🔘 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 ON, C is OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  19. 19.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  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 ON and B is OFF. Does the bulb glow? (a) No (b) Yes
  21. 21.🔘 Which kind of switch works only while pressed? (a) a push button (b) a tilt switch (c) a toggle switch (d) a slide switch
  22. 22.What does a toggle switch do? (a) closes when tipped over (b) slides side to side (c) flips up or down (d) works only while pressed
  23. 23.🔘 What does a switch do in a circuit? (a) changes the voltage (b) makes electricity (c) opens or closes the loop (d) stores current
  24. 24.🔘 Which kind of switch closes when tipped over? (a) a push button (b) a slide switch (c) a tilt switch (d) a reed switch
  25. 25.🔘 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) Yes (b) No
  26. 26.What does a reed switch do? (a) stays where you flip it (b) works only while pressed (c) closes near a magnet (d) flips up or down
  27. 27.True or false: a slide switch works only while pressed. (a) True (b) False
  28. 28.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) only when both are ON (c) when either is ON (d) only when both are OFF
  29. 29.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a tilt switch (c) a reed switch (d) a push button
  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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  31. 31.🔘 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?
  32. 32.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when either is ON (c) when both are ON (d) never
  33. 33.🔘 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
  34. 34.🔘 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) Yes (b) No
  35. 35.🔘 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
  36. 36.🔘 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
  37. 37.🔘 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
  38. 38.True or false: a reed switch slides side to side. (a) True (b) False
  39. 39.🔘 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
  40. 40.🔘 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) Yes (b) No

Answer key

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

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