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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 862 · 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.🔘 When a switch is ON, the circuit is … (a) cut (b) open (c) broken (d) closed
  2. 2.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a reed switch (c) a tilt switch (d) a toggle switch
  3. 3.🔘 Which kind of switch works only while pressed? (a) a slide switch (b) a toggle switch (c) a push button (d) a reed switch
  4. 4.What does a reed switch do? (a) closes near a magnet (b) stays where you flip it (c) flips up or down (d) slides side to side
  5. 5.What does a slide switch do? (a) stays where you flip it (b) springs back when let go (c) flips up or down (d) slides side to side
  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 OFF. Does the bulb glow? (a) Yes (b) No
  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 OFF and B is ON. Does the bulb glow? (a) No (b) Yes
  8. 8.🔘 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
  9. 9.🔘 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) Yes (b) No
  10. 10.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when either is ON (c) never (d) when both are ON
  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 OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  12. 12.🔘 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
  13. 13.What does a push button do? (a) closes when tipped over (b) works only while pressed (c) stays where you flip it (d) flips up or down
  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 ON. Does the bulb glow? (a) Yes (b) No
  15. 15.True or false: a slide switch works only while pressed. (a) False (b) True
  16. 16.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) makes electricity (c) changes the voltage (d) stores current
  17. 17.What does a toggle switch do? (a) closes when tipped over (b) stays where you flip it (c) closes near a magnet (d) works only while pressed
  18. 18.True or false: a toggle switch flips up or down. (a) False (b) True
  19. 19.True or false: a push button flips up or down. (a) False (b) True
  20. 20.True or false: a tilt switch closes when tipped over. (a) True (b) False
  21. 21.True or false: a push button works only while pressed. (a) True (b) False
  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 OFF. Does the bulb glow? (a) Yes (b) No
  23. 23.True or false: a reed switch stays where you flip it. (a) False (b) True
  24. 24.🔘 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 ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  25. 25.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a push button (c) a tilt switch (d) a toggle switch
  26. 26.What does a push button do? (a) closes when tipped over (b) closes near a magnet (c) springs back when let go (d) stays where you flip it
  27. 27.True or false: a toggle switch works only while pressed. (a) False (b) True
  28. 28.🔘 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
  29. 29.True or false: a toggle switch stays where you flip it. (a) True (b) False
  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 OFF. Does the bulb glow? (a) No (b) Yes
  31. 31.🔘 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
  32. 32.What does a tilt switch do? (a) closes when tipped over (b) flips up or down (c) slides side to side (d) springs back when let go
  33. 33.🔘 A bulb and a cell are joined through 3 switches on 3 side-by-side paths, one switch on each path (parallel). What is the smallest number of switches that must be ON to light the bulb?
  34. 34.🔘 Which kind of switch springs back when let go? (a) a push button (b) a slide switch (c) a toggle switch (d) a tilt switch
  35. 35.🔘 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) Yes (b) No
  36. 36.🔘 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 ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  37. 37.🔘 A bulb and a cell are joined through 5 switches on 5 side-by-side paths, one switch on each path (parallel). What is the smallest number of switches that must be ON to light the bulb?
  38. 38.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a tilt switch (c) a reed switch (d) a slide switch
  39. 39.🔘 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
  40. 40.🔘 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

Answer key

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

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