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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 737 · 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, B and C are joined one after another in a single loop (series). A is ON, B is ON and C is ON. Does the bulb glow? (a) No (b) Yes
  2. 2.What does a toggle switch do? (a) closes near a magnet (b) springs back when let go (c) closes when tipped over (d) stays where you flip it
  3. 3.What does a reed switch do? (a) works only while pressed (b) flips up or down (c) closes near a magnet (d) slides side to side
  4. 4.🔘 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
  5. 5.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) when either is ON (c) only when both are OFF (d) never
  6. 6.True or false: a push button springs back when let go. (a) True (b) False
  7. 7.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a push button (c) a tilt switch (d) a toggle switch
  8. 8.True or false: a tilt switch springs back when let go. (a) False (b) True
  9. 9.What does a tilt switch do? (a) springs back when let go (b) closes when tipped over (c) slides side to side (d) closes near a magnet
  10. 10.True or false: a push button closes when tipped over. (a) False (b) True
  11. 11.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) stores current (c) makes electricity (d) changes the voltage
  12. 12.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a push button (c) a tilt switch (d) a toggle switch
  13. 13.🔘 Which kind of switch works only while pressed? (a) a slide switch (b) a push button (c) a reed switch (d) a toggle switch
  14. 14.🔘 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) Yes (b) No
  15. 15.🔘 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
  16. 16.What does a toggle switch do? (a) slides side to side (b) flips up or down (c) closes when tipped over (d) works only while pressed
  17. 17.What does a push button do? (a) slides side to side (b) springs back when let go (c) stays where you flip it (d) closes when tipped over
  18. 18.🔘 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?
  19. 19.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) never (c) when both are OFF (d) when both are ON
  20. 20.🔘 A bulb and a cell are joined through 4 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  21. 21.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a tilt switch (c) a reed switch (d) a toggle switch
  22. 22.What does a slide switch do? (a) closes when tipped over (b) slides side to side (c) stays where you flip it (d) works only while pressed
  23. 23.🔘 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?
  24. 24.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a push button (c) a slide switch (d) a reed switch
  25. 25.🔘 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) No (b) Yes
  26. 26.True or false: a push button works only while pressed. (a) True (b) False
  27. 27.True or false: a reed switch stays where you flip it. (a) True (b) False
  28. 28.🔘 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
  29. 29.🔘 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
  30. 30.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  31. 31.True or false: a slide switch springs back when let go. (a) False (b) True
  32. 32.🔘 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?
  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 ON, B is ON and C is ON. Does the bulb glow? (a) Yes (b) No
  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 ON, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  35. 35.🔘 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
  36. 36.🔘 When a switch is ON, the circuit is … (a) broken (b) open (c) closed (d) cut
  37. 37.🔘 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
  38. 38.True or false: a tilt switch stays where you flip it. (a) False (b) True
  39. 39.True or false: a push button stays where you flip it. (a) False (b) True
  40. 40.🔘 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

Answer key

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

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