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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 339 · 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.🔘 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
  2. 2.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when both are ON (c) when either is ON (d) never
  3. 3.What does a reed switch do? (a) slides side to side (b) stays where you flip it (c) closes when tipped over (d) closes near a magnet
  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) No (b) Yes
  5. 5.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a tilt switch (c) a slide switch (d) a push button
  6. 6.What does a push button do? (a) slides side to side (b) works only while pressed (c) closes near a magnet (d) stays where you flip it
  7. 7.True or false: a push button slides side to side. (a) True (b) False
  8. 8.🔘 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
  9. 9.True or false: a slide switch slides side to side. (a) True (b) False
  10. 10.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a slide switch (c) a tilt switch (d) a toggle switch
  11. 11.True or false: a push button stays where you flip it. (a) True (b) False
  12. 12.🔘 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
  13. 13.🔘 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?
  14. 14.What does a push button do? (a) stays where you flip it (b) slides side to side (c) springs back when let go (d) flips up or down
  15. 15.What does a toggle switch do? (a) closes when tipped over (b) works only while pressed (c) springs back when let go (d) stays where you flip it
  16. 16.🔘 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) No (b) Yes
  17. 17.True or false: a toggle switch flips up or down. (a) False (b) True
  18. 18.🔘 When a switch is ON, the circuit is … (a) cut (b) broken (c) open (d) closed
  19. 19.🔘 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) No (b) Yes
  20. 20.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a toggle switch (c) a tilt switch (d) a push button
  21. 21.🔘 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?
  22. 22.🔘 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
  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 OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  24. 24.🔘 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
  25. 25.🔘 Which kind of switch closes when tipped over? (a) a reed switch (b) a toggle switch (c) a tilt switch (d) a slide switch
  26. 26.🔘 What does a switch do in a circuit? (a) stores current (b) makes electricity (c) changes the voltage (d) opens or closes the loop
  27. 27.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) only when both are ON (c) only when both are OFF (d) when either is ON
  28. 28.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a push button (c) a reed switch (d) a toggle switch
  29. 29.What does a slide switch do? (a) flips up or down (b) slides side to side (c) closes when tipped over (d) closes near a magnet
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  31. 31.True or false: a push button works only while pressed. (a) False (b) True
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  33. 33.What does a tilt switch do? (a) springs back when let go (b) closes when tipped over (c) works only while pressed (d) stays where you flip it
  34. 34.True or false: a toggle switch stays where you flip it. (a) True (b) False
  35. 35.🔘 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
  36. 36.True or false: a toggle switch flips up or down. (a) True (b) False
  37. 37.🔘 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 ON, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  38. 38.🔘 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?
  39. 39.What does a toggle switch do? (a) works only while pressed (b) closes near a magnet (c) flips up or down (d) slides side to side
  40. 40.True or false: a tilt switch springs back when let go. (a) False (b) True

Answer key

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

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