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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 952 · 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 flips up or down? (a) a reed switch (b) a tilt switch (c) a toggle switch (d) a slide switch
  2. 2.🔘 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) Yes (b) No
  3. 3.True or false: a toggle switch flips up or down. (a) False (b) True
  4. 4.🔘 When a switch is ON, the circuit is … (a) broken (b) open (c) closed (d) cut
  5. 5.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a tilt switch (c) a reed switch (d) a push button
  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 ON and C is ON. Does the bulb glow? (a) Yes (b) No
  7. 7.🔘 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
  8. 8.True or false: a tilt switch works only while pressed. (a) True (b) False
  9. 9.🔘 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
  10. 10.🔘 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
  11. 11.🔘 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?
  12. 12.🔘 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
  13. 13.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a reed switch (c) a push button (d) a tilt switch
  14. 14.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when both are ON (c) when either is ON (d) never
  15. 15.True or false: a tilt switch stays where you flip it. (a) False (b) True
  16. 16.🔘 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 ON and D is ON. Does the bulb glow? (a) Yes (b) No
  17. 17.What does a push button do? (a) closes near a magnet (b) slides side to side (c) springs back when let go (d) flips up or down
  18. 18.True or false: a push button springs back when let go. (a) True (b) False
  19. 19.What does a toggle switch do? (a) flips up or down (b) works only while pressed (c) closes when tipped over (d) springs back when let go
  20. 20.What does a slide switch do? (a) closes near a magnet (b) closes when tipped over (c) slides side to side (d) flips up or down
  21. 21.What does a tilt switch do? (a) slides side to side (b) stays where you flip it (c) closes near a magnet (d) closes when tipped over
  22. 22.🔘 A bulb and a cell are joined through 5 switches on 5 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?
  23. 23.🔘 A bulb and a cell are joined through 3 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  24. 24.🔘 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 OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  25. 25.True or false: a push button stays where you flip it. (a) True (b) False
  26. 26.True or false: a slide switch closes near a magnet. (a) False (b) True
  27. 27.True or false: a slide switch stays where you flip it. (a) False (b) True
  28. 28.True or false: a push button slides side to side. (a) False (b) True
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  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 ON. Does the bulb glow? (a) Yes (b) No
  31. 31.What does a push button do? (a) works only while pressed (b) flips up or down (c) closes when tipped over (d) stays where you flip it
  32. 32.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) stores current (c) changes the voltage (d) makes electricity
  33. 33.🔘 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
  34. 34.True or false: a push button works only while pressed. (a) True (b) False
  35. 35.🔘 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) Yes (b) No
  36. 36.True or false: a reed switch flips up or down. (a) True (b) False
  37. 37.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a reed switch (c) a toggle switch (d) a push button
  38. 38.🔘 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
  39. 39.🔘 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
  40. 40.🔘 Which kind of switch springs back when let go? (a) a reed switch (b) a slide switch (c) a tilt switch (d) a push button

Answer key

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

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