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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 527 · 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 springs back when let go? (a) a reed switch (b) a push button (c) a toggle switch (d) a slide switch
  2. 2.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  3. 3.True or false: a toggle switch works only while pressed. (a) False (b) True
  4. 4.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) only when both are OFF (c) when either is ON (d) never
  5. 5.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a toggle switch (c) a slide switch (d) a push button
  6. 6.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a reed switch (c) a tilt switch (d) a push button
  7. 7.🔘 Which kind of switch closes near a magnet? (a) a tilt switch (b) a reed switch (c) a push button (d) a toggle switch
  8. 8.True or false: a toggle switch flips up or down. (a) True (b) False
  9. 9.🔘 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
  10. 10.What does a tilt switch do? (a) flips up or down (b) springs back when let go (c) closes when tipped over (d) closes near a magnet
  11. 11.🔘 Which kind of switch slides side to side? (a) a reed switch (b) a tilt switch (c) a slide switch (d) a push button
  12. 12.What does a toggle switch do? (a) slides side to side (b) closes when tipped over (c) works only while pressed (d) stays where you flip it
  13. 13.True or false: a toggle switch stays where you flip it. (a) False (b) True
  14. 14.🔘 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
  15. 15.🔘 When a switch is ON, the circuit is … (a) cut (b) open (c) closed (d) broken
  16. 16.🔘 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) No (b) Yes
  17. 17.🔘 What does a switch do in a circuit? (a) changes the voltage (b) opens or closes the loop (c) stores current (d) makes electricity
  18. 18.🔘 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
  19. 19.True or false: a slide switch closes near a magnet. (a) False (b) True
  20. 20.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a slide switch (c) a toggle switch (d) a reed switch
  21. 21.True or false: a reed switch closes near a magnet. (a) False (b) True
  22. 22.What does a reed switch do? (a) slides side to side (b) closes near a magnet (c) springs back when let go (d) flips up or down
  23. 23.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  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.What does a slide switch do? (a) closes near a magnet (b) stays where you flip it (c) closes when tipped over (d) slides side to side
  26. 26.What does a push button do? (a) stays where you flip it (b) springs back when let go (c) closes near a magnet (d) flips up or down
  27. 27.True or false: a tilt switch springs back when let go. (a) False (b) True
  28. 28.🔘 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) No (b) Yes
  29. 29.True or false: a push button springs back when let go. (a) False (b) True
  30. 30.🔘 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) Yes (b) No
  31. 31.What does a push button do? (a) stays where you flip it (b) flips up or down (c) works only while pressed (d) closes near a magnet
  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) Yes (b) No
  33. 33.🔘 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) Yes (b) No
  34. 34.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  35. 35.🔘 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?
  36. 36.🔘 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) No (b) Yes
  37. 37.🔘 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 ON, B is ON, C is OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  38. 38.🔘 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 OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  39. 39.🔘 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?
  40. 40.True or false: a toggle switch closes when tipped over. (a) False (b) True

Answer key

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

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