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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 421 · 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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  2. 2.🔘 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
  3. 3.What does a toggle switch do? (a) works only while pressed (b) stays where you flip it (c) closes near a magnet (d) slides side to side
  4. 4.True or false: a push button flips up or down. (a) False (b) True
  5. 5.True or false: a slide switch slides side to side. (a) True (b) False
  6. 6.What does a push button do? (a) slides side to side (b) works only while pressed (c) stays where you flip it (d) flips up or down
  7. 7.🔘 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
  8. 8.🔘 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) Yes (b) No
  9. 9.🔘 Which kind of switch works only while pressed? (a) a slide switch (b) a toggle switch (c) a push button (d) a reed switch
  10. 10.🔘 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?
  11. 11.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  12. 12.🔘 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
  13. 13.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a reed switch (c) a push button (d) a toggle switch
  14. 14.🔘 Which kind of switch springs back when let go? (a) a reed switch (b) a push button (c) a toggle switch (d) a slide switch
  15. 15.True or false: a toggle switch springs back when let go. (a) True (b) False
  16. 16.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a slide switch (c) a tilt switch (d) a reed switch
  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) open (b) closed (c) cut (d) broken
  19. 19.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
  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 OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  21. 21.🔘 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
  22. 22.🔘 A cell, a bulb and switches A, B, C and D are joined one after another in a single loop (series). A is OFF, B is ON, C is ON and D is ON. Does the bulb glow? (a) No (b) Yes
  23. 23.True or false: a reed switch closes near a magnet. (a) True (b) False
  24. 24.🔘 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) No (b) Yes
  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 ON and C is ON. Does the bulb glow? (a) Yes (b) No
  26. 26.🔘 Which kind of switch slides side to side? (a) a reed switch (b) a tilt switch (c) a push button (d) a slide switch
  27. 27.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a reed switch (c) a push button (d) a slide switch
  28. 28.What does a slide switch do? (a) works only while pressed (b) slides side to side (c) closes when tipped over (d) flips up or down
  29. 29.🔘 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
  30. 30.True or false: a toggle switch flips up or down. (a) False (b) True
  31. 31.What does a tilt switch do? (a) flips up or down (b) works only while pressed (c) slides side to side (d) closes when tipped over
  32. 32.What does a push button do? (a) flips up or down (b) closes when tipped over (c) springs back when let go (d) closes near a magnet
  33. 33.True or false: a slide switch flips up or down. (a) True (b) False
  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 ON and C is ON. Does the bulb glow? (a) Yes (b) No
  35. 35.True or false: a reed switch springs back when let go. (a) False (b) True
  36. 36.🔘 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
  37. 37.🔘 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?
  38. 38.🔘 A cell, a bulb and switches A, B, C and D are joined one after another in a single loop (series). A is OFF, B is ON, C is OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  39. 39.True or false: a push button stays where you flip it. (a) True (b) False
  40. 40.🔘 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

Answer key

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

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