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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 754 · 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 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 OFF. Does the bulb glow? (a) Yes (b) No
  2. 2.🔘 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
  3. 3.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) when either is ON (c) only when both are OFF (d) only when both are ON
  4. 4.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a reed switch (c) a push button (d) a toggle switch
  5. 5.🔘 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
  6. 6.What does a toggle switch do? (a) flips up or down (b) closes near a magnet (c) slides side to side (d) closes when tipped over
  7. 7.What does a slide switch do? (a) flips up or down (b) stays where you flip it (c) slides side to side (d) works only while pressed
  8. 8.What does a tilt switch do? (a) springs back when let go (b) closes when tipped over (c) slides side to side (d) works only while pressed
  9. 9.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a reed switch (c) a slide switch (d) a toggle switch
  10. 10.True or false: a reed switch closes near a magnet. (a) True (b) False
  11. 11.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a toggle switch (c) a tilt switch (d) a reed switch
  12. 12.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a slide switch (c) a reed switch (d) a toggle switch
  13. 13.What does a push button do? (a) flips up or down (b) stays where you flip it (c) springs back when let go (d) slides side to side
  14. 14.True or false: a reed switch springs back when let go. (a) False (b) True
  15. 15.🔘 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
  16. 16.🔘 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?
  17. 17.True or false: a slide switch slides side to side. (a) True (b) False
  18. 18.True or false: a toggle switch stays where you flip it. (a) True (b) False
  19. 19.🔘 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) No (b) Yes
  20. 20.True or false: a slide switch works only while pressed. (a) True (b) False
  21. 21.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a reed switch (c) a push button (d) a slide switch
  22. 22.True or false: a push button works only while pressed. (a) False (b) True
  23. 23.What does a reed switch do? (a) closes near a magnet (b) slides side to side (c) works only while pressed (d) stays where you flip it
  24. 24.🔘 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
  25. 25.🔘 What does a switch do in a circuit? (a) stores current (b) makes electricity (c) changes the voltage (d) opens or closes the loop
  26. 26.🔘 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) No (b) Yes
  27. 27.🔘 When a switch is ON, the circuit is … (a) open (b) closed (c) cut (d) broken
  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 OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  29. 29.True or false: a toggle switch works only while pressed. (a) False (b) True
  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 OFF, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  31. 31.What does a push button do? (a) closes near a magnet (b) slides side to side (c) closes when tipped over (d) works only while pressed
  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 ON. Does the bulb glow? (a) Yes (b) No
  33. 33.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when both are ON (c) when both are OFF (d) when either is ON
  34. 34.🔘 Which kind of switch works only while pressed? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a push button
  35. 35.🔘 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) Yes (b) No
  36. 36.True or false: a reed switch stays where you flip it. (a) False (b) True
  37. 37.🔘 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 OFF, C is OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  38. 38.🔘 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?
  39. 39.🔘 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
  40. 40.What does a toggle switch do? (a) stays where you flip it (b) closes when tipped over (c) works only while pressed (d) springs back when let go

Answer key

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

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