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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 542 · 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 slide switch do? (a) stays where you flip it (b) slides side to side (c) closes near a magnet (d) closes when tipped over
  2. 2.🔘 When a switch is ON, the circuit is … (a) closed (b) broken (c) open (d) cut
  3. 3.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) when either is ON (c) when both are OFF (d) never
  4. 4.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a tilt switch (c) a slide switch (d) a toggle switch
  5. 5.🔘 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 ON and D is ON. Does the bulb glow? (a) Yes (b) No
  6. 6.What does a push button do? (a) closes near a magnet (b) stays where you flip it (c) flips up or down (d) works only while pressed
  7. 7.🔘 Which kind of switch works only while pressed? (a) a slide switch (b) a push button (c) a tilt switch (d) a toggle switch
  8. 8.🔘 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
  9. 9.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a slide switch (c) a tilt switch (d) a push button
  10. 10.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a tilt switch (c) a reed switch (d) a push button
  11. 11.🔘 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
  12. 12.🔘 Which kind of switch slides side to side? (a) a push button (b) a tilt switch (c) a toggle switch (d) a slide switch
  13. 13.🔘 What does a switch do in a circuit? (a) changes the voltage (b) opens or closes the loop (c) stores current (d) makes electricity
  14. 14.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  15. 15.🔘 Which kind of switch springs back when let go? (a) a reed switch (b) a push button (c) a tilt switch (d) a slide switch
  16. 16.What does a toggle switch do? (a) works only while pressed (b) flips up or down (c) closes near a magnet (d) slides side to side
  17. 17.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  18. 18.🔘 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
  19. 19.🔘 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
  20. 20.🔘 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
  21. 21.🔘 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) Yes (b) No
  22. 22.🔘 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
  23. 23.True or false: a toggle switch stays where you flip it. (a) False (b) True
  24. 24.🔘 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) Yes (b) No
  25. 25.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  26. 26.What does a tilt switch do? (a) works only while pressed (b) closes when tipped over (c) stays where you flip it (d) springs back when let go
  27. 27.True or false: a reed switch flips up or down. (a) True (b) False
  28. 28.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  29. 29.True or false: a toggle switch works only while pressed. (a) False (b) True
  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 ON and C is ON. Does the bulb glow? (a) No (b) Yes
  31. 31.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) never (c) only when both are ON (d) when either is ON
  32. 32.🔘 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?
  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 ON, B is ON, C is OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  34. 34.True or false: a toggle switch flips up or down. (a) True (b) False
  35. 35.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a toggle switch (c) a reed switch (d) a tilt switch
  36. 36.True or false: a toggle switch closes near a magnet. (a) False (b) True
  37. 37.True or false: a reed switch stays where you flip it. (a) True (b) False
  38. 38.What does a reed switch do? (a) flips up or down (b) springs back when let go (c) stays where you flip it (d) closes near a magnet
  39. 39.True or false: a reed switch works only while pressed. (a) False (b) True
  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 OFF. Does the bulb glow? (a) Yes (b) No

Answer key

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

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