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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 513 · 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 slides side to side? (a) a tilt switch (b) a toggle switch (c) a slide switch (d) a reed switch
  2. 2.🔘 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?
  3. 3.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a tilt switch (c) a push button (d) a toggle switch
  4. 4.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a reed switch (c) a push button (d) a toggle switch
  5. 5.What does a reed switch do? (a) slides side to side (b) closes near a magnet (c) flips up or down (d) springs back when let go
  6. 6.What does a toggle switch do? (a) closes near a magnet (b) works only while pressed (c) stays where you flip it (d) springs back when let go
  7. 7.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a slide switch (c) a toggle switch (d) a tilt switch
  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 OFF. Does the bulb glow? (a) Yes (b) No
  9. 9.🔘 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 OFF, C is ON and D is OFF. Does the bulb glow? (a) Yes (b) No
  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 ON. Does the bulb glow? (a) Yes (b) No
  11. 11.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a push button (c) a slide switch (d) a tilt switch
  12. 12.What does a push button do? (a) closes when tipped over (b) stays where you flip it (c) works only while pressed (d) slides side to side
  13. 13.🔘 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) No (b) Yes
  14. 14.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when either is ON (c) when both are ON (d) when both are OFF
  15. 15.True or false: a slide switch slides side to side. (a) False (b) True
  16. 16.True or false: a reed switch slides side to side. (a) False (b) True
  17. 17.True or false: a toggle switch closes near a magnet. (a) True (b) False
  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 ON. Does the bulb glow? (a) Yes (b) No
  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 OFF. Does the bulb glow? (a) No (b) Yes
  20. 20.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a toggle switch (c) a push button (d) a slide switch
  21. 21.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  22. 22.🔘 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
  23. 23.🔘 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?
  24. 24.🔘 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
  25. 25.🔘 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?
  26. 26.🔘 When a switch is ON, the circuit is … (a) broken (b) cut (c) closed (d) open
  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) No (b) Yes
  28. 28.🔘 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
  29. 29.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  31. 31.What does a push button do? (a) flips up or down (b) closes near a magnet (c) stays where you flip it (d) springs back when let go
  32. 32.🔘 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
  33. 33.🔘 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
  34. 34.True or false: a reed switch closes near a magnet. (a) True (b) False
  35. 35.What does a toggle switch do? (a) closes when tipped over (b) closes near a magnet (c) springs back when let go (d) flips up or down
  36. 36.True or false: a push button slides side to side. (a) False (b) True
  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 OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  38. 38.🔘 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?
  39. 39.True or false: a slide switch closes near a magnet. (a) False (b) True
  40. 40.🔘 What does a switch do in a circuit? (a) makes electricity (b) stores current (c) changes the voltage (d) opens or closes the loop

Answer key

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

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