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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 186 · 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 springs back when let go? (a) a tilt switch (b) a slide switch (c) a toggle switch (d) a push button
  2. 2.🔘 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?
  3. 3.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) only when both are OFF (c) when either is ON (d) never
  4. 4.🔘 What does a switch do in a circuit? (a) changes the voltage (b) stores current (c) makes electricity (d) opens or closes the loop
  5. 5.🔘 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
  6. 6.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a tilt switch (c) a slide switch (d) a toggle switch
  7. 7.🔘 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
  8. 8.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a push button (c) a reed switch (d) a slide switch
  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 OFF, B is OFF, C is ON and D is ON. Does the bulb glow? (a) No (b) Yes
  10. 10.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a tilt switch (c) a push button (d) a toggle switch
  11. 11.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a reed switch (c) a toggle switch (d) a tilt switch
  12. 12.What does a push button do? (a) closes near a magnet (b) flips up or down (c) springs back when let go (d) stays where you flip it
  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 ON. Does the bulb glow? (a) No (b) Yes
  14. 14.🔘 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
  15. 15.True or false: a tilt switch closes when tipped over. (a) False (b) True
  16. 16.What does a toggle switch do? (a) slides side to side (b) springs back when let go (c) flips up or down (d) closes near a magnet
  17. 17.🔘 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
  18. 18.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a reed switch (c) a tilt switch (d) a toggle switch
  19. 19.What does a slide switch do? (a) closes near a magnet (b) slides side to side (c) stays where you flip it (d) springs back when let go
  20. 20.🔘 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 ON, C is OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  21. 21.🔘 When a switch is ON, the circuit is … (a) broken (b) open (c) closed (d) cut
  22. 22.🔘 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
  23. 23.🔘 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 ON, C is ON and D is ON. Does the bulb glow? (a) Yes (b) No
  24. 24.What does a reed switch do? (a) closes near a magnet (b) works only while pressed (c) closes when tipped over (d) flips up or down
  25. 25.True or false: a reed switch closes near a magnet. (a) True (b) False
  26. 26.🔘 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
  27. 27.🔘 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) No (b) Yes
  28. 28.True or false: a tilt switch slides side to side. (a) True (b) False
  29. 29.🔘 Which kind of switch slides side to side? (a) a push button (b) a tilt switch (c) a toggle switch (d) a slide switch
  30. 30.What does a tilt switch do? (a) slides side to side (b) closes near a magnet (c) springs back when let go (d) closes when tipped over
  31. 31.🔘 A bulb and a cell are joined through 4 switches on 4 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?
  32. 32.What does a push button do? (a) stays where you flip it (b) closes near a magnet (c) works only while pressed (d) slides side to side
  33. 33.🔘 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 OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  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) No (b) Yes
  35. 35.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  36. 36.What does a toggle switch do? (a) slides side to side (b) stays where you flip it (c) works only while pressed (d) springs back when let go
  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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  38. 38.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  39. 39.True or false: a slide switch slides side to side. (a) False (b) True
  40. 40.🔘 A bulb and a cell are joined through 4 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?

Answer key

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

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