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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 511 · 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.What does a toggle switch do? (a) works only while pressed (b) springs back when let go (c) stays where you flip it (d) slides side to side
  2. 2.🔘 Which kind of switch flips up or down? (a) a push button (b) a slide switch (c) a toggle switch (d) a tilt switch
  3. 3.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) only when both are OFF (c) when either is ON (d) only when both are ON
  4. 4.True or false: a push button stays where you flip it. (a) True (b) False
  5. 5.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) stores current (c) changes the voltage (d) makes electricity
  6. 6.What does a toggle switch do? (a) springs back when let go (b) flips up or down (c) works only while pressed (d) slides side to side
  7. 7.True or false: a reed switch flips up or down. (a) False (b) True
  8. 8.🔘 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
  9. 9.🔘 When a switch is ON, the circuit is … (a) cut (b) broken (c) closed (d) open
  10. 10.True or false: a reed switch closes near a magnet. (a) False (b) True
  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 OFF, B is OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  12. 12.🔘 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) Yes (b) No
  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 ON. Does the bulb glow? (a) No (b) Yes
  14. 14.🔘 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?
  15. 15.What does a tilt switch do? (a) flips up or down (b) closes when tipped over (c) stays where you flip it (d) closes near a magnet
  16. 16.🔘 Which kind of switch springs back when let go? (a) a push button (b) a slide switch (c) a tilt switch (d) a toggle switch
  17. 17.🔘 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 OFF, C is OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  18. 18.True or false: a tilt switch closes near a magnet. (a) True (b) False
  19. 19.🔘 Which kind of switch works only while pressed? (a) a push button (b) a tilt switch (c) a slide switch (d) a reed switch
  20. 20.🔘 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
  21. 21.What does a push button do? (a) springs back when let go (b) slides side to side (c) closes near a magnet (d) stays where you flip it
  22. 22.What does a reed switch do? (a) flips up or down (b) closes when tipped over (c) works only while pressed (d) closes near a magnet
  23. 23.🔘 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
  24. 24.🔘 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) Yes (b) No
  25. 25.🔘 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 ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  26. 26.🔘 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
  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 ON, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  28. 28.True or false: a push button springs back when let go. (a) False (b) True
  29. 29.True or false: a slide switch closes near a magnet. (a) True (b) False
  30. 30.🔘 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
  31. 31.🔘 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) No (b) Yes
  32. 32.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a tilt switch (c) a slide switch (d) a reed switch
  33. 33.True or false: a slide switch stays where you flip it. (a) True (b) False
  34. 34.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) never (c) when both are OFF (d) when both are ON
  35. 35.🔘 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?
  36. 36.🔘 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) Yes (b) No
  37. 37.🔘 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) No (b) Yes
  38. 38.🔘 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
  39. 39.True or false: a toggle switch works only while pressed. (a) False (b) True
  40. 40.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a tilt switch (c) a reed switch (d) a toggle switch

Answer key

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

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