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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 925 · 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.True or false: a reed switch closes near a magnet. (a) True (b) False
  2. 2.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a reed switch (c) a tilt switch (d) a push button
  3. 3.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
  4. 4.What does a tilt switch do? (a) flips up or down (b) closes near a magnet (c) closes when tipped over (d) slides side to side
  5. 5.🔘 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
  6. 6.What does a push button do? (a) springs back when let go (b) closes near a magnet (c) stays where you flip it (d) slides side to side
  7. 7.What does a slide switch do? (a) slides side to side (b) closes when tipped over (c) springs back when let go (d) closes near a magnet
  8. 8.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) makes electricity (c) stores current (d) changes the voltage
  9. 9.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a slide switch (c) a toggle switch (d) a push button
  10. 10.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a slide switch (c) a push button (d) a reed switch
  11. 11.🔘 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?
  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 OFF, B is OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  13. 13.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) never (c) when either is ON (d) when both are ON
  14. 14.🔘 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) No (b) Yes
  15. 15.True or false: a push button springs back when let go. (a) False (b) True
  16. 16.What does a toggle switch do? (a) works only while pressed (b) stays where you flip it (c) closes when tipped over (d) slides side to side
  17. 17.True or false: a push button works only while pressed. (a) False (b) True
  18. 18.🔘 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) No (b) Yes
  19. 19.What does a push button do? (a) stays where you flip it (b) works only while pressed (c) flips up or down (d) slides side to side
  20. 20.🔘 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
  21. 21.True or false: a toggle switch springs back when let go. (a) True (b) False
  22. 22.🔘 Which kind of switch slides side to side? (a) a push button (b) a slide switch (c) a reed switch (d) a toggle switch
  23. 23.True or false: a slide switch closes when tipped over. (a) False (b) True
  24. 24.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  25. 25.🔘 Which kind of switch closes near a magnet? (a) a tilt switch (b) a toggle switch (c) a push button (d) a reed switch
  26. 26.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a tilt switch (c) a reed switch (d) a toggle switch
  27. 27.🔘 A cell and a bulb are joined to 4 side-by-side paths with one switch on each path — A, B, C and D (parallel). A is OFF, B is ON, C is ON and D is OFF. Does the bulb glow? (a) Yes (b) No
  28. 28.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a toggle switch (c) a reed switch (d) a push button
  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 OFF, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  30. 30.🔘 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?
  31. 31.🔘 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
  32. 32.True or false: a toggle switch closes when tipped over. (a) True (b) False
  33. 33.🔘 A cell and a bulb are joined to 4 side-by-side paths with one switch on each path — A, B, C and D (parallel). A is OFF, B is OFF, C is ON and D is ON. Does the bulb glow? (a) Yes (b) No
  34. 34.🔘 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 OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  35. 35.True or false: a tilt switch closes near a magnet. (a) False (b) True
  36. 36.True or false: a toggle switch stays where you flip it. (a) True (b) False
  37. 37.🔘 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
  38. 38.True or false: a toggle switch flips up or down. (a) False (b) True
  39. 39.True or false: a tilt switch slides side to side. (a) True (b) False
  40. 40.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No

Answer key

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

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