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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 81 · 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.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  2. 2.What does a push button do? (a) flips up or down (b) slides side to side (c) stays where you flip it (d) works only while pressed
  3. 3.🔘 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
  4. 4.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a push button
  5. 5.🔘 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) No (b) Yes
  6. 6.What does a slide switch do? (a) slides side to side (b) closes near a magnet (c) springs back when let go (d) works only while pressed
  7. 7.What does a push button do? (a) stays where you flip it (b) flips up or down (c) slides side to side (d) springs back when let go
  8. 8.🔘 When a switch is ON, the circuit is … (a) broken (b) cut (c) open (d) closed
  9. 9.True or false: a toggle switch springs back when let go. (a) False (b) True
  10. 10.True or false: a slide switch slides side to side. (a) False (b) True
  11. 11.What does a reed switch do? (a) stays where you flip it (b) closes when tipped over (c) works only while pressed (d) closes near a magnet
  12. 12.🔘 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
  13. 13.True or false: a tilt switch stays where you flip it. (a) True (b) False
  14. 14.True or false: a reed switch flips up or down. (a) False (b) True
  15. 15.True or false: a toggle switch flips up or down. (a) True (b) False
  16. 16.What does a toggle switch do? (a) springs back when let go (b) works only while pressed (c) slides side to side (d) flips up or down
  17. 17.🔘 What does a switch do in a circuit? (a) makes electricity (b) changes the voltage (c) opens or closes the loop (d) stores current
  18. 18.🔘 A bulb and a cell are joined through 6 switches on 6 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?
  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 ON and C is ON. Does the bulb glow? (a) No (b) Yes
  20. 20.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a tilt switch (c) a toggle switch (d) a reed switch
  21. 21.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a toggle switch (c) a reed switch (d) a slide switch
  22. 22.🔘 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?
  23. 23.What does a tilt switch do? (a) springs back when let go (b) closes when tipped over (c) slides side to side (d) closes near a magnet
  24. 24.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a reed switch (c) a toggle switch (d) a push button
  25. 25.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  26. 26.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) never (c) when both are ON (d) when either is ON
  27. 27.🔘 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?
  28. 28.🔘 Which kind of switch springs back when let go? (a) a reed switch (b) a slide switch (c) a push button (d) a toggle switch
  29. 29.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  30. 30.🔘 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
  31. 31.True or false: a reed switch closes near a magnet. (a) True (b) False
  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) 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 ON, C is OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  34. 34.🔘 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
  35. 35.🔘 Which kind of switch slides side to side? (a) a reed switch (b) a push button (c) a slide switch (d) a tilt switch
  36. 36.🔘 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?
  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 ON. Does the bulb glow? (a) No (b) Yes
  38. 38.🔘 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) never (d) when either is ON
  39. 39.🔘 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
  40. 40.True or false: a tilt switch slides side to side. (a) True (b) False

Answer key

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

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