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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 659 · 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 OFF, B is ON and C is ON. Does the bulb glow? (a) Yes (b) No
  2. 2.True or false: a slide switch slides side to side. (a) True (b) False
  3. 3.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  4. 4.🔘 A bulb and a cell are joined through 2 switches on 2 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?
  5. 5.What does a push button do? (a) flips up or down (b) closes near a magnet (c) slides side to side (d) works only while pressed
  6. 6.What does a tilt switch do? (a) stays where you flip it (b) slides side to side (c) closes near a magnet (d) closes when tipped over
  7. 7.🔘 When a switch is ON, the circuit is … (a) cut (b) open (c) broken (d) closed
  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 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 tilt switch (b) a reed switch (c) a push button (d) a toggle switch
  10. 10.🔘 What does a switch do in a circuit? (a) stores current (b) makes electricity (c) changes the voltage (d) opens or closes the loop
  11. 11.🔘 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) No (b) Yes
  12. 12.True or false: a reed switch flips up or down. (a) False (b) True
  13. 13.🔘 Which kind of switch works only while pressed? (a) a slide switch (b) a tilt switch (c) a push button (d) a toggle switch
  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 ON and C is ON. Does the bulb glow? (a) Yes (b) No
  15. 15.🔘 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?
  16. 16.🔘 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
  17. 17.🔘 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
  18. 18.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a push button (c) a toggle switch (d) a reed switch
  19. 19.🔘 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
  20. 20.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  21. 21.True or false: a push button works only while pressed. (a) True (b) False
  22. 22.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a reed switch (c) a push button (d) a slide switch
  23. 23.🔘 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
  24. 24.🔘 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
  25. 25.🔘 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) No (b) Yes
  26. 26.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a reed switch (c) a tilt switch (d) a push button
  27. 27.🔘 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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  28. 28.What does a slide switch do? (a) slides side to side (b) closes when tipped over (c) stays where you flip it (d) flips up or down
  29. 29.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a reed switch (c) a push button (d) a slide switch
  30. 30.🔘 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?
  31. 31.True or false: a push button springs back when let go. (a) False (b) True
  32. 32.What does a toggle switch do? (a) closes near a magnet (b) flips up or down (c) works only while pressed (d) springs back when let go
  33. 33.True or false: a toggle switch flips up or down. (a) False (b) True
  34. 34.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) only when both are ON (c) when either is ON (d) never
  35. 35.🔘 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
  36. 36.What does a toggle switch do? (a) springs back when let go (b) works only while pressed (c) closes near a magnet (d) stays where you flip it
  37. 37.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a tilt switch (c) a toggle switch (d) a push button
  38. 38.True or false: a reed switch closes near a magnet. (a) False (b) True
  39. 39.🔘 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) Yes (b) No
  40. 40.🔘 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?

Answer key

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

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