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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 887 · 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 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
  2. 2.What does a push button do? (a) closes when tipped over (b) closes near a magnet (c) slides side to side (d) springs back when let go
  3. 3.🔘 A cell, a bulb and switches A, B, C and D are joined one after another in a single loop (series). A is ON, B is OFF, C is OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  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 OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  5. 5.🔘 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
  6. 6.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a reed switch (c) a toggle switch (d) a slide switch
  7. 7.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a tilt switch (c) a toggle switch (d) a reed switch
  8. 8.🔘 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?
  9. 9.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  10. 10.True or false: a slide switch slides side to side. (a) False (b) True
  11. 11.🔘 When a switch is ON, the circuit is … (a) cut (b) broken (c) open (d) closed
  12. 12.True or false: a reed switch closes when tipped over. (a) True (b) False
  13. 13.🔘 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
  14. 14.🔘 Which kind of switch flips up or down? (a) a tilt switch (b) a reed switch (c) a toggle switch (d) a push button
  15. 15.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a push button (c) a toggle switch (d) a tilt switch
  16. 16.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a tilt switch (c) a reed switch (d) a push button
  17. 17.What does a tilt switch do? (a) flips up or down (b) springs back when let go (c) closes when tipped over (d) stays where you flip it
  18. 18.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) only when both are ON (c) never (d) when either is ON
  19. 19.True or false: a toggle switch closes near a magnet. (a) False (b) True
  20. 20.True or false: a toggle switch flips up or down. (a) True (b) False
  21. 21.What does a toggle switch do? (a) stays where you flip it (b) works only while pressed (c) closes near a magnet (d) closes when tipped over
  22. 22.🔘 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) Yes (b) No
  23. 23.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  24. 24.True or false: a tilt switch stays where you flip it. (a) False (b) True
  25. 25.🔘 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) Yes (b) No
  26. 26.🔘 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
  27. 27.🔘 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) Yes (b) No
  28. 28.What does a toggle switch do? (a) slides side to side (b) closes near a magnet (c) flips up or down (d) springs back when let go
  29. 29.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a reed switch (c) a push button (d) a slide switch
  30. 30.🔘 A cell, a bulb and switches A, B, C and D are joined one after another in a single loop (series). A is ON, B is OFF, C is OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  31. 31.What does a slide switch do? (a) slides side to side (b) closes near a magnet (c) stays where you flip it (d) works only while pressed
  32. 32.🔘 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) No (b) Yes
  33. 33.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) when both are OFF (c) never (d) when either is ON
  34. 34.🔘 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 OFF, C is OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  35. 35.What does a push button do? (a) closes when tipped over (b) closes near a magnet (c) slides side to side (d) works only while pressed
  36. 36.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  37. 37.True or false: a reed switch closes near a magnet. (a) False (b) True
  38. 38.🔘 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?
  39. 39.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  40. 40.🔘 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?

Answer key

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

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