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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 147 · 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.What does a tilt switch do? (a) closes when tipped over (b) springs back when let go (c) flips up or down (d) works only while pressed
  2. 2.🔘 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) Yes (b) No
  3. 3.True or false: a push button springs back when let go. (a) False (b) True
  4. 4.🔘 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
  5. 5.What does a toggle switch do? (a) works only while pressed (b) closes when tipped over (c) springs back when let go (d) stays where you flip it
  6. 6.🔘 Which kind of switch springs back when let go? (a) a reed switch (b) a push button (c) a tilt switch (d) a slide switch
  7. 7.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  8. 8.🔘 What does a switch do in a circuit? (a) stores current (b) opens or closes the loop (c) changes the voltage (d) makes electricity
  9. 9.🔘 Which kind of switch flips up or down? (a) a push button (b) a slide switch (c) a toggle switch (d) a tilt switch
  10. 10.True or false: a toggle switch works only while pressed. (a) True (b) False
  11. 11.True or false: a push button works only while pressed. (a) True (b) False
  12. 12.What does a reed switch do? (a) stays where you flip it (b) flips up or down (c) closes near a magnet (d) springs back when let go
  13. 13.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) when either is ON (c) never (d) when both are OFF
  14. 14.🔘 A bulb and a cell are joined through 2 switches on 2 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?
  15. 15.🔘 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
  16. 16.True or false: a toggle switch slides side to side. (a) False (b) True
  17. 17.🔘 A bulb and a cell are joined through 4 switches on 4 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?
  18. 18.🔘 When a switch is ON, the circuit is … (a) closed (b) open (c) broken (d) cut
  19. 19.True or false: a slide switch flips up or down. (a) False (b) True
  20. 20.🔘 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
  21. 21.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a tilt switch (c) a push button (d) a reed switch
  22. 22.What does a toggle switch do? (a) closes when tipped over (b) works only while pressed (c) closes near a magnet (d) flips up or down
  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 OFF, B is ON and C is ON. Does the bulb glow? (a) No (b) Yes
  24. 24.True or false: a push button slides side to side. (a) True (b) False
  25. 25.🔘 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
  26. 26.True or false: a push button flips up or down. (a) False (b) True
  27. 27.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a push button (c) a tilt switch (d) a reed switch
  28. 28.True or false: a reed switch closes when tipped over. (a) False (b) True
  29. 29.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a slide switch (c) a reed switch (d) a tilt switch
  30. 30.🔘 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
  31. 31.What does a push button do? (a) stays where you flip it (b) flips up or down (c) slides side to side (d) springs back when let go
  32. 32.🔘 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
  33. 33.🔘 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?
  34. 34.🔘 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
  35. 35.🔘 Which kind of switch slides side to side? (a) a push button (b) a tilt switch (c) a slide switch (d) a reed switch
  36. 36.🔘 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
  37. 37.🔘 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
  38. 38.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  39. 39.🔘 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
  40. 40.True or false: a reed switch closes near a magnet. (a) True (b) False

Answer key

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

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