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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 950 · 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 closes near a magnet? (a) a reed switch (b) a tilt switch (c) a slide switch (d) a push button
  2. 2.What does a reed switch do? (a) slides side to side (b) closes near a magnet (c) flips up or down (d) stays where you flip it
  3. 3.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a push button (c) a reed switch (d) a slide switch
  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) Yes (b) No
  5. 5.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a push button (c) a tilt switch (d) a slide switch
  6. 6.🔘 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
  7. 7.What does a push button do? (a) flips up or down (b) stays where you flip it (c) works only while pressed (d) closes when tipped over
  8. 8.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) never (c) only when both are OFF (d) only when both are ON
  9. 9.🔘 Which kind of switch works only while pressed? (a) a push button (b) a slide switch (c) a toggle switch (d) a tilt switch
  10. 10.True or false: a tilt switch closes when tipped over. (a) False (b) True
  11. 11.🔘 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
  12. 12.True or false: a toggle switch flips up or down. (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 ON and B is OFF. Does the bulb glow? (a) No (b) Yes
  14. 14.🔘 Which kind of switch closes when tipped over? (a) a reed switch (b) a slide switch (c) a tilt switch (d) a push button
  15. 15.What does a slide switch do? (a) slides side to side (b) stays where you flip it (c) flips up or down (d) works only while pressed
  16. 16.🔘 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
  17. 17.🔘 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
  18. 18.True or false: a toggle switch stays where you flip it. (a) True (b) False
  19. 19.What does a toggle switch do? (a) springs back when let go (b) flips up or down (c) closes when tipped over (d) slides side to side
  20. 20.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  21. 21.🔘 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?
  22. 22.🔘 When a switch is ON, the circuit is … (a) cut (b) broken (c) open (d) closed
  23. 23.🔘 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
  24. 24.🔘 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
  25. 25.True or false: a toggle switch slides side to side. (a) False (b) True
  26. 26.True or false: a toggle switch springs back when let go. (a) True (b) False
  27. 27.🔘 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
  28. 28.True or false: a reed switch stays where you flip it. (a) True (b) False
  29. 29.🔘 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
  30. 30.🔘 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?
  31. 31.🔘 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
  32. 32.🔘 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
  33. 33.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) never (c) when both are ON (d) when both are OFF
  34. 34.True or false: a push button stays where you flip it. (a) False (b) True
  35. 35.🔘 Which kind of switch slides side to side? (a) a reed switch (b) a tilt switch (c) a slide switch (d) a push button
  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 push button works only while pressed. (a) True (b) False
  38. 38.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  39. 39.🔘 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
  40. 40.🔘 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) Yes (b) No

Answer key

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

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