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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 710 · 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 ON, C is OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  2. 2.What does a tilt switch do? (a) flips up or down (b) closes when tipped over (c) stays where you flip it (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 OFF, C is OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  4. 4.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are OFF (c) when both are ON (d) never
  5. 5.What does a toggle switch do? (a) slides side to side (b) springs back when let go (c) works only while pressed (d) flips up or down
  6. 6.🔘 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 ON, B is OFF, C is ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  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 OFF, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  8. 8.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  9. 9.🔘 When a switch is ON, the circuit is … (a) closed (b) open (c) cut (d) broken
  10. 10.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a push button (c) a slide switch (d) a reed switch
  11. 11.🔘 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
  12. 12.🔘 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?
  13. 13.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a slide switch (c) a toggle switch (d) a reed switch
  14. 14.🔘 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
  15. 15.🔘 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
  16. 16.True or false: a toggle switch flips up or down. (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 slide switch (d) a toggle switch
  18. 18.True or false: a push button closes near a magnet. (a) False (b) True
  19. 19.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a tilt switch (c) a reed switch (d) a push button
  20. 20.What does a slide switch do? (a) flips up or down (b) works only while pressed (c) closes when tipped over (d) slides side to side
  21. 21.🔘 What does a switch do in a circuit? (a) makes electricity (b) changes the voltage (c) stores current (d) opens or closes the loop
  22. 22.What does a push button do? (a) works only while pressed (b) closes near a magnet (c) slides side to side (d) stays where you flip it
  23. 23.🔘 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
  24. 24.True or false: a toggle switch stays where you flip it. (a) False (b) True
  25. 25.What does a push button do? (a) springs back when let go (b) slides side to side (c) flips up or down (d) stays where you flip it
  26. 26.🔘 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
  27. 27.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) never (c) when either is ON (d) only when both are ON
  28. 28.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a toggle switch (c) a reed switch (d) a push button
  29. 29.True or false: a reed switch stays where you flip it. (a) False (b) True
  30. 30.🔘 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
  31. 31.True or false: a push button stays where you flip it. (a) True (b) False
  32. 32.🔘 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?
  33. 33.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  34. 34.🔘 Which kind of switch works only while pressed? (a) a slide switch (b) a push button (c) a reed switch (d) a toggle switch
  35. 35.🔘 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
  36. 36.🔘 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
  37. 37.🔘 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?
  38. 38.What does a toggle switch do? (a) springs back when let go (b) works only while pressed (c) closes near a magnet (d) stays where you flip it
  39. 39.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a toggle switch (c) a push button (d) a slide switch
  40. 40.🔘 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

Answer key

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

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