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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 94 · 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) closes when tipped over (c) flips up or down (d) springs back when let go
  2. 2.🔘 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
  3. 3.🔘 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) No (b) Yes
  4. 4.What does a reed switch do? (a) closes near a magnet (b) flips up or down (c) springs back when let go (d) works only while pressed
  5. 5.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are ON (c) when both are OFF (d) never
  6. 6.🔘 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) Yes (b) No
  7. 7.🔘 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) Yes (b) No
  8. 8.What does a push button do? (a) closes when tipped over (b) slides side to side (c) springs back when let go (d) closes near a magnet
  9. 9.What does a push button do? (a) stays where you flip it (b) slides side to side (c) works only while pressed (d) closes near a magnet
  10. 10.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  11. 11.True or false: a slide switch closes near a magnet. (a) True (b) False
  12. 12.🔘 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
  13. 13.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a push button (c) a slide switch (d) a reed switch
  14. 14.🔘 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 ON and D is OFF. Does the bulb glow? (a) Yes (b) No
  15. 15.What does a toggle switch do? (a) works only while pressed (b) stays where you flip it (c) closes near a magnet (d) slides side to side
  16. 16.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a reed switch (c) a tilt switch (d) a push button
  17. 17.What does a tilt switch do? (a) works only while pressed (b) closes when tipped over (c) stays where you flip it (d) flips up or down
  18. 18.🔘 A bulb and a cell are joined through 6 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  19. 19.🔘 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
  20. 20.🔘 When a switch is ON, the circuit is … (a) closed (b) broken (c) open (d) cut
  21. 21.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) changes the voltage (c) stores current (d) makes electricity
  22. 22.🔘 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
  23. 23.True or false: a slide switch flips up or down. (a) False (b) True
  24. 24.What does a slide switch do? (a) closes near a magnet (b) flips up or down (c) closes when tipped over (d) slides side to side
  25. 25.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a push button (c) a tilt switch (d) a toggle switch
  26. 26.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  27. 27.True or false: a toggle switch closes when tipped over. (a) True (b) False
  28. 28.🔘 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
  29. 29.True or false: a tilt switch closes when tipped over. (a) False (b) True
  30. 30.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  31. 31.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a reed switch (c) a toggle switch (d) a push button
  32. 32.🔘 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
  33. 33.True or false: a reed switch springs back when let go. (a) True (b) False
  34. 34.🔘 Which kind of switch works only while pressed? (a) a slide switch (b) a push button (c) a tilt switch (d) a toggle switch
  35. 35.True or false: a toggle switch flips up or down. (a) False (b) True
  36. 36.🔘 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) Yes (b) No
  37. 37.True or false: a slide switch stays where you flip it. (a) False (b) True
  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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  39. 39.🔘 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
  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 ON and C is ON. Does the bulb glow? (a) Yes (b) No

Answer key

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

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