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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 440 · 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 slides side to side? (a) a toggle switch (b) a slide switch (c) a tilt switch (d) a push button
  2. 2.🔘 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
  3. 3.🔘 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
  4. 4.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a tilt switch (c) a toggle switch (d) a reed switch
  5. 5.True or false: a tilt switch closes when tipped over. (a) False (b) True
  6. 6.🔘 When a switch is ON, the circuit is … (a) cut (b) open (c) closed (d) broken
  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) No (b) Yes
  8. 8.True or false: a tilt switch springs back when let go. (a) False (b) True
  9. 9.True or false: a reed switch stays where you flip it. (a) True (b) False
  10. 10.🔘 What does a switch do in a circuit? (a) changes the voltage (b) makes electricity (c) stores current (d) opens or closes the loop
  11. 11.What does a reed switch do? (a) closes when tipped over (b) closes near a magnet (c) stays where you flip it (d) flips up or down
  12. 12.True or false: a slide switch closes near a magnet. (a) False (b) True
  13. 13.🔘 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
  14. 14.What does a toggle switch do? (a) works only while pressed (b) closes when tipped over (c) flips up or down (d) springs back when let go
  15. 15.🔘 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?
  16. 16.🔘 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
  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 OFF. Does the bulb glow? (a) No (b) Yes
  18. 18.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  19. 19.True or false: a reed switch works only while pressed. (a) True (b) False
  20. 20.🔘 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) No (b) Yes
  21. 21.🔘 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) No (b) Yes
  22. 22.True or false: a tilt switch stays where you flip it. (a) False (b) True
  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 ON, B is OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  24. 24.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a reed switch (c) a toggle switch (d) a push button
  25. 25.True or false: a toggle switch stays where you flip it. (a) False (b) True
  26. 26.🔘 Which kind of switch works only while pressed? (a) a push button (b) a tilt switch (c) a slide switch (d) a toggle switch
  27. 27.What does a tilt switch do? (a) closes when tipped over (b) closes near a magnet (c) flips up or down (d) works only while pressed
  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 OFF, B is OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  29. 29.🔘 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
  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 OFF. Does the bulb glow? (a) No (b) Yes
  31. 31.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when either is ON (c) when both are ON (d) when both are OFF
  32. 32.What does a slide switch do? (a) flips up or down (b) stays where you flip it (c) closes near a magnet (d) slides side to side
  33. 33.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  34. 34.True or false: a toggle switch closes near a magnet. (a) True (b) False
  35. 35.What does a toggle switch do? (a) springs back when let go (b) closes near a magnet (c) stays where you flip it (d) slides side to side
  36. 36.What does a push button do? (a) stays where you flip it (b) closes near a magnet (c) slides side to side (d) springs back when let go
  37. 37.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a toggle switch (c) a push button (d) a reed switch
  38. 38.True or false: a push button springs back when let go. (a) False (b) True
  39. 39.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) only when both are OFF (c) never (d) only when both are ON
  40. 40.🔘 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) No (b) Yes

Answer key

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

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