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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 287 · 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 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
  2. 2.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) never (c) only when both are ON (d) when either is ON
  3. 3.🔘 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) No (b) Yes
  4. 4.🔘 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
  5. 5.True or false: a toggle switch stays where you flip it. (a) True (b) False
  6. 6.What does a slide switch do? (a) closes when tipped over (b) closes near a magnet (c) springs back when let go (d) slides side to side
  7. 7.True or false: a slide switch closes near a magnet. (a) False (b) True
  8. 8.What does a push button do? (a) slides side to side (b) closes near a magnet (c) flips up or down (d) works only while pressed
  9. 9.What does a push button do? (a) flips up or down (b) closes when tipped over (c) slides side to side (d) springs back when let go
  10. 10.True or false: a toggle switch flips up or down. (a) True (b) False
  11. 11.🔘 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 OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  12. 12.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a tilt switch (c) a toggle switch (d) a reed switch
  13. 13.What does a toggle switch do? (a) closes near a magnet (b) stays where you flip it (c) closes when tipped over (d) springs back when let go
  14. 14.🔘 A bulb and a cell are joined through 6 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  15. 15.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a slide switch (c) a push button (d) a tilt switch
  16. 16.True or false: a toggle switch closes when tipped over. (a) False (b) True
  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 OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  18. 18.🔘 Which kind of switch works only while pressed? (a) a push button (b) a slide switch (c) a tilt switch (d) a reed switch
  19. 19.What does a tilt switch do? (a) slides side to side (b) stays where you flip it (c) closes when tipped over (d) flips up or down
  20. 20.True or false: a tilt switch closes near a magnet. (a) True (b) False
  21. 21.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  22. 22.🔘 Which kind of switch flips up or down? (a) a tilt switch (b) a slide switch (c) a toggle switch (d) a reed switch
  23. 23.True or false: a push button stays where you flip it. (a) True (b) False
  24. 24.🔘 What does a switch do in a circuit? (a) changes the voltage (b) makes electricity (c) opens or closes the loop (d) stores current
  25. 25.🔘 When a switch is ON, the circuit is … (a) closed (b) open (c) cut (d) broken
  26. 26.🔘 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
  27. 27.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a reed switch (c) a slide switch (d) a toggle switch
  28. 28.True or false: a tilt switch stays where you flip it. (a) False (b) True
  29. 29.🔘 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?
  30. 30.True or false: a toggle switch springs back when let go. (a) False (b) True
  31. 31.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  32. 32.True or false: a tilt switch works only while pressed. (a) True (b) False
  33. 33.🔘 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
  34. 34.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a tilt switch (c) a push button (d) a reed switch
  35. 35.What does a reed switch do? (a) stays where you flip it (b) closes near a magnet (c) closes when tipped over (d) flips up or down
  36. 36.🔘 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
  37. 37.True or false: a push button works only while pressed. (a) False (b) True
  38. 38.🔘 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?
  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 OFF. Does the bulb glow? (a) Yes (b) No
  40. 40.🔘 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 ON. Does the bulb glow? (a) No (b) Yes

Answer key

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

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