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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 649 · 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 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
  2. 2.🔘 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
  3. 3.True or false: a reed switch closes near a magnet. (a) False (b) True
  4. 4.🔘 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
  5. 5.What does a toggle switch do? (a) works only while pressed (b) springs back when let go (c) closes when tipped over (d) flips up or down
  6. 6.🔘 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
  7. 7.What does a push button do? (a) stays where you flip it (b) flips up or down (c) springs back when let go (d) slides side to side
  8. 8.🔘 When a switch is ON, the circuit is … (a) cut (b) closed (c) broken (d) open
  9. 9.True or false: a push button works only while pressed. (a) True (b) False
  10. 10.🔘 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
  11. 11.What does a reed switch do? (a) stays where you flip it (b) closes when tipped over (c) closes near a magnet (d) works only while pressed
  12. 12.What does a push button do? (a) slides side to side (b) flips up or down (c) closes near a magnet (d) works only while pressed
  13. 13.🔘 Which kind of switch flips up or down? (a) a push button (b) a slide switch (c) a reed switch (d) a toggle switch
  14. 14.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a reed switch (c) a tilt switch (d) a slide switch
  15. 15.True or false: a tilt switch closes near a magnet. (a) True (b) False
  16. 16.True or false: a tilt switch closes when tipped over. (a) True (b) False
  17. 17.🔘 What does a switch do in a circuit? (a) makes electricity (b) stores current (c) opens or closes the loop (d) changes the voltage
  18. 18.What does a toggle switch do? (a) closes near a magnet (b) stays where you flip it (c) slides side to side (d) springs back when let go
  19. 19.True or false: a push button slides side to side. (a) True (b) False
  20. 20.🔘 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) only when both are ON (d) never
  21. 21.True or false: a toggle switch stays where you flip it. (a) True (b) False
  22. 22.🔘 Which kind of switch springs back when let go? (a) a push button (b) a toggle switch (c) a reed switch (d) a tilt switch
  23. 23.🔘 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
  24. 24.🔘 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) Yes (b) No
  25. 25.🔘 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
  26. 26.What does a tilt switch do? (a) springs back when let go (b) closes near a magnet (c) closes when tipped over (d) stays where you flip it
  27. 27.🔘 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?
  28. 28.🔘 Which kind of switch closes when tipped over? (a) a push button (b) a tilt switch (c) a slide switch (d) a toggle switch
  29. 29.🔘 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
  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 ON and B is ON. Does the bulb glow? (a) Yes (b) No
  31. 31.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a reed switch (c) a push button (d) a toggle switch
  32. 32.🔘 Which kind of switch closes near a magnet? (a) a tilt switch (b) a reed switch (c) a push button (d) a slide switch
  33. 33.What does a slide switch do? (a) closes near a magnet (b) slides side to side (c) closes when tipped over (d) flips up or down
  34. 34.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) never (c) when both are ON (d) when both are OFF
  35. 35.🔘 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) No (b) Yes
  36. 36.🔘 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?
  37. 37.True or false: a slide switch flips up or down. (a) True (b) False
  38. 38.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a reed switch (c) a push button (d) a toggle switch
  39. 39.🔘 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?
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes

Answer key

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

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