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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 159 · 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.🔘 When a switch is ON, the circuit is … (a) closed (b) broken (c) open (d) cut
  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) No (b) Yes
  3. 3.What does a toggle switch do? (a) slides side to side (b) closes near a magnet (c) stays where you flip it (d) closes when tipped over
  4. 4.🔘 Which kind of switch closes near a magnet? (a) a reed switch (b) a push button (c) a tilt switch (d) a slide switch
  5. 5.🔘 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 OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  6. 6.What does a push button do? (a) slides side to side (b) closes near a magnet (c) springs back when let go (d) closes when tipped over
  7. 7.🔘 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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  8. 8.🔘 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
  9. 9.True or false: a reed switch stays where you flip it. (a) False (b) True
  10. 10.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a toggle switch (c) a slide switch (d) a push button
  11. 11.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) when both are OFF (c) when either is ON (d) never
  12. 12.🔘 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?
  13. 13.True or false: a toggle switch stays where you flip it. (a) False (b) True
  14. 14.What does a slide switch do? (a) stays where you flip it (b) slides side to side (c) closes when tipped over (d) flips up or down
  15. 15.🔘 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
  16. 16.🔘 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) No (b) Yes
  17. 17.🔘 A bulb and a cell are joined through 2 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  18. 18.🔘 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
  19. 19.🔘 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?
  20. 20.🔘 Which kind of switch works only while pressed? (a) a slide switch (b) a reed switch (c) a push button (d) a toggle switch
  21. 21.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a reed switch (c) a toggle switch (d) a tilt switch
  22. 22.True or false: a tilt switch slides side to side. (a) False (b) True
  23. 23.🔘 What does a switch do in a circuit? (a) stores current (b) makes electricity (c) changes the voltage (d) opens or closes the loop
  24. 24.What does a tilt switch do? (a) stays where you flip it (b) closes near a magnet (c) closes when tipped over (d) springs back when let go
  25. 25.What does a push button do? (a) closes near a magnet (b) flips up or down (c) works only while pressed (d) closes when tipped over
  26. 26.True or false: a tilt switch springs back when let go. (a) False (b) True
  27. 27.🔘 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
  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) Yes (b) No
  29. 29.True or false: a toggle switch slides side to side. (a) True (b) False
  30. 30.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) never (c) only when both are OFF (d) when either is ON
  31. 31.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a reed switch (c) a push button (d) a tilt switch
  32. 32.🔘 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
  33. 33.True or false: a toggle switch springs back when let go. (a) False (b) True
  34. 34.🔘 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
  35. 35.🔘 Which kind of switch flips up or down? (a) a push button (b) a slide switch (c) a toggle switch (d) a tilt switch
  36. 36.🔘 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?
  37. 37.True or false: a reed switch closes near a magnet. (a) False (b) True
  38. 38.True or false: a tilt switch closes when tipped over. (a) False (b) True
  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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  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 ON, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No

Answer key

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

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