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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 457 · 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.🔘 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
  2. 2.What does a toggle switch do? (a) closes near a magnet (b) works only while pressed (c) slides side to side (d) stays where you flip it
  3. 3.True or false: a slide switch slides side to side. (a) False (b) True
  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.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a tilt switch (c) a push button (d) a toggle switch
  6. 6.What does a reed switch do? (a) slides side to side (b) works only while pressed (c) stays where you flip it (d) closes near a magnet
  7. 7.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when both are OFF (c) when both are ON (d) when either is ON
  8. 8.🔘 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
  9. 9.🔘 Which kind of switch springs back when let go? (a) a reed switch (b) a slide switch (c) a toggle switch (d) a push button
  10. 10.🔘 What does a switch do in a circuit? (a) makes electricity (b) opens or closes the loop (c) changes the voltage (d) stores current
  11. 11.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a push button (c) a reed switch (d) a slide switch
  12. 12.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) when either is ON (c) only when both are ON (d) never
  13. 13.🔘 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) Yes (b) No
  14. 14.🔘 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
  15. 15.🔘 Which kind of switch closes when tipped over? (a) a reed switch (b) a tilt switch (c) a slide switch (d) a push button
  16. 16.What does a toggle switch do? (a) works only while pressed (b) closes when tipped over (c) slides side to side (d) flips up or down
  17. 17.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  18. 18.What does a tilt switch do? (a) closes near a magnet (b) closes when tipped over (c) springs back when let go (d) works only while pressed
  19. 19.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a slide switch (c) a toggle switch (d) a push button
  20. 20.True or false: a reed switch works only while pressed. (a) False (b) True
  21. 21.🔘 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
  22. 22.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a push button (c) a tilt switch (d) a reed switch
  23. 23.True or false: a toggle switch works only while pressed. (a) True (b) False
  24. 24.What does a push button do? (a) flips up or down (b) stays where you flip it (c) closes when tipped over (d) springs back when let go
  25. 25.🔘 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
  26. 26.True or false: a tilt switch closes when tipped over. (a) True (b) False
  27. 27.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a slide switch (c) a tilt switch (d) a push button
  28. 28.🔘 When a switch is ON, the circuit is … (a) cut (b) broken (c) closed (d) open
  29. 29.What does a push button do? (a) works only while pressed (b) flips up or down (c) closes near a magnet (d) closes when tipped over
  30. 30.What does a slide switch do? (a) slides side to side (b) stays where you flip it (c) flips up or down (d) closes near a magnet
  31. 31.True or false: a tilt switch stays where you flip it. (a) True (b) False
  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 ON and C is ON. Does the bulb glow? (a) Yes (b) No
  33. 33.🔘 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) No (b) Yes
  34. 34.🔘 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?
  35. 35.🔘 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
  36. 36.🔘 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?
  37. 37.🔘 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
  38. 38.🔘 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
  39. 39.🔘 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 OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  40. 40.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No

Answer key

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

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