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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 801 · 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) springs back when let go (c) closes near a magnet (d) slides side to side
  2. 2.🔘 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
  3. 3.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a slide switch (c) a push button (d) a reed switch
  4. 4.🔘 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
  5. 5.🔘 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) Yes (b) No
  6. 6.True or false: a tilt switch slides side to side. (a) True (b) False
  7. 7.🔘 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) No (b) Yes
  8. 8.True or false: a push button works only while pressed. (a) False (b) True
  9. 9.🔘 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) Yes (b) No
  10. 10.🔘 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) Yes (b) No
  11. 11.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a reed switch (c) a push button (d) a tilt switch
  12. 12.True or false: a reed switch closes near a magnet. (a) True (b) False
  13. 13.🔘 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
  14. 14.What does a reed switch do? (a) stays where you flip it (b) closes near a magnet (c) flips up or down (d) slides side to side
  15. 15.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a toggle switch (c) a push button (d) a tilt switch
  16. 16.🔘 What does a switch do in a circuit? (a) makes electricity (b) stores current (c) opens or closes the loop (d) changes the voltage
  17. 17.🔘 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?
  18. 18.🔘 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) No (b) Yes
  19. 19.What does a tilt switch do? (a) springs back when let go (b) slides side to side (c) stays where you flip it (d) closes when tipped over
  20. 20.🔘 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) No (b) Yes
  21. 21.🔘 When a switch is ON, the circuit is … (a) cut (b) broken (c) closed (d) open
  22. 22.🔘 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 OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  23. 23.🔘 Which kind of switch works only while pressed? (a) a push button (b) a slide switch (c) a reed switch (d) a tilt switch
  24. 24.True or false: a toggle switch flips up or down. (a) True (b) False
  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.What does a toggle switch do? (a) closes near a magnet (b) works only while pressed (c) flips up or down (d) springs back when let go
  27. 27.True or false: a push button closes when tipped over. (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 ON. Does the bulb glow? (a) Yes (b) No
  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 ON, B is ON and C is ON. Does the bulb glow? (a) No (b) Yes
  31. 31.🔘 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?
  32. 32.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when either is ON (c) when both are ON (d) never
  33. 33.True or false: a slide switch slides side to side. (a) False (b) True
  34. 34.🔘 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
  35. 35.What does a push button do? (a) closes when tipped over (b) flips up or down (c) slides side to side (d) works only while pressed
  36. 36.🔘 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
  37. 37.🔘 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
  38. 38.🔘 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
  39. 39.🔘 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?
  40. 40.What does a push button do? (a) springs back when let go (b) closes near a magnet (c) flips up or down (d) slides side to side

Answer key

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

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