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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 522 · 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.🔘 Which kind of switch works only while pressed? (a) a push button (b) a reed switch (c) a tilt switch (d) a slide switch
  2. 2.🔘 When a switch is ON, the circuit is … (a) open (b) cut (c) closed (d) broken
  3. 3.🔘 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 ON and C is ON. Does the bulb glow? (a) No (b) Yes
  4. 4.What does a tilt switch do? (a) closes when tipped over (b) springs back when let go (c) slides side to side (d) stays where you flip it
  5. 5.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a push button (c) a tilt switch (d) a reed switch
  6. 6.True or false: a reed switch closes near a magnet. (a) True (b) False
  7. 7.🔘 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) No (b) Yes
  8. 8.🔘 Which kind of switch slides side to side? (a) a reed switch (b) a toggle switch (c) a slide switch (d) a tilt switch
  9. 9.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) when either is ON (c) only when both are ON (d) only when both are OFF
  10. 10.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a push button (c) a slide switch (d) a reed switch
  11. 11.What does a push button do? (a) works only while pressed (b) flips up or down (c) closes near a magnet (d) closes when tipped over
  12. 12.🔘 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) No (b) Yes
  13. 13.🔘 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
  14. 14.True or false: a slide switch closes near a magnet. (a) False (b) True
  15. 15.🔘 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
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  17. 17.🔘 A bulb and a cell are joined through 5 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  18. 18.True or false: a push button stays where you flip it. (a) False (b) True
  19. 19.🔘 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 ON and C is ON. Does the bulb glow? (a) Yes (b) No
  20. 20.🔘 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) No (b) Yes
  21. 21.🔘 Which kind of switch flips up or down? (a) a push button (b) a tilt switch (c) a reed switch (d) a toggle switch
  22. 22.What does a push button do? (a) springs back when let go (b) closes when tipped over (c) slides side to side (d) flips up or down
  23. 23.True or false: a slide switch springs back when let go. (a) True (b) False
  24. 24.True or false: a toggle switch flips up or down. (a) False (b) True
  25. 25.What does a reed switch do? (a) springs back when let go (b) stays where you flip it (c) flips up or down (d) closes near a magnet
  26. 26.🔘 Which kind of switch closes near a magnet? (a) a tilt switch (b) a reed switch (c) a slide switch (d) a push button
  27. 27.What does a toggle switch do? (a) stays where you flip it (b) closes when tipped over (c) works only while pressed (d) springs back when let go
  28. 28.🔘 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
  29. 29.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) never (c) when both are ON (d) when either is ON
  30. 30.True or false: a slide switch stays where you flip it. (a) True (b) False
  31. 31.🔘 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?
  32. 32.🔘 What does a switch do in a circuit? (a) stores current (b) makes electricity (c) changes the voltage (d) opens or closes the loop
  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.🔘 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?
  35. 35.🔘 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?
  36. 36.True or false: a slide switch slides side to side. (a) True (b) False
  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 OFF and B is ON. Does the bulb glow? (a) No (b) Yes
  38. 38.🔘 A cell, a bulb and switches A, B and C are joined one after another in a single loop (series). A is OFF, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  39. 39.What does a toggle switch do? (a) closes near a magnet (b) springs back when let go (c) flips up or down (d) works only while pressed
  40. 40.True or false: a push button springs back when let go. (a) True (b) False

Answer key

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

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