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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 759 · 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 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?
  2. 2.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a push button (c) a tilt switch (d) a reed switch
  3. 3.🔘 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 OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  4. 4.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a toggle switch (c) a push button (d) a tilt switch
  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 ON. Does the bulb glow? (a) No (b) Yes
  6. 6.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a push button (c) a reed switch (d) a slide switch
  7. 7.What does a reed switch do? (a) flips up or down (b) springs back when let go (c) closes near a magnet (d) works only while pressed
  8. 8.🔘 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) No (b) Yes
  9. 9.True or false: a toggle switch springs back when let go. (a) False (b) True
  10. 10.True or false: a reed switch closes near a magnet. (a) True (b) False
  11. 11.🔘 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) Yes (b) No
  12. 12.What does a toggle switch do? (a) closes near a magnet (b) closes when tipped over (c) slides side to side (d) stays where you flip it
  13. 13.True or false: a push button slides side to side. (a) True (b) False
  14. 14.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  15. 15.True or false: a push button springs back when let go. (a) True (b) False
  16. 16.True or false: a toggle switch stays where you flip it. (a) False (b) True
  17. 17.What does a tilt switch do? (a) springs back when let go (b) flips up or down (c) stays where you flip it (d) closes when tipped over
  18. 18.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a reed switch (c) a push button (d) a slide switch
  19. 19.🔘 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?
  20. 20.True or false: a toggle switch flips up or down. (a) False (b) True
  21. 21.What does a slide switch do? (a) springs back when let go (b) stays where you flip it (c) closes near a magnet (d) slides side to side
  22. 22.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  23. 23.🔘 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
  24. 24.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a push button (c) a tilt switch (d) a toggle switch
  25. 25.True or false: a toggle switch closes when tipped over. (a) True (b) False
  26. 26.True or false: a slide switch closes when tipped over. (a) False (b) True
  27. 27.🔘 When a switch is ON, the circuit is … (a) cut (b) broken (c) closed (d) open
  28. 28.True or false: a push button closes near a magnet. (a) False (b) True
  29. 29.True or false: a push button works only while pressed. (a) True (b) False
  30. 30.🔘 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) Yes (b) No
  31. 31.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) when either is ON (c) only when both are OFF (d) never
  32. 32.🔘 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
  33. 33.What does a toggle switch do? (a) works only while pressed (b) closes when tipped over (c) springs back when let go (d) flips up or down
  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 OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  35. 35.🔘 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
  36. 36.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a reed switch (c) a toggle switch (d) a push button
  37. 37.🔘 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
  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.What does a push button do? (a) stays where you flip it (b) closes when tipped over (c) works only while pressed (d) flips up or down
  40. 40.🔘 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) No (b) Yes

Answer key

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

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