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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 563 · 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 ON, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  2. 2.🔘 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?
  3. 3.🔘 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
  4. 4.🔘 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
  5. 5.🔘 A bulb and a cell are joined through 5 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  6. 6.True or false: a reed switch flips up or down. (a) False (b) True
  7. 7.🔘 Which kind of switch works only while pressed? (a) a push button (b) a toggle switch (c) a tilt switch (d) a slide switch
  8. 8.🔘 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
  9. 9.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) never (c) when both are OFF (d) when either is ON
  10. 10.🔘 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
  11. 11.What does a tilt switch do? (a) closes when tipped over (b) flips up or down (c) stays where you flip it (d) closes near a magnet
  12. 12.What does a push button do? (a) stays where you flip it (b) closes when tipped over (c) slides side to side (d) works only while pressed
  13. 13.🔘 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 ON, C is ON and D is OFF. Does the bulb glow? (a) Yes (b) No
  14. 14.True or false: a tilt switch stays where you flip it. (a) False (b) True
  15. 15.What does a slide switch do? (a) springs back when let go (b) works only while pressed (c) stays where you flip it (d) slides side to side
  16. 16.True or false: a slide switch works only while pressed. (a) False (b) True
  17. 17.True or false: a toggle switch flips up or down. (a) False (b) True
  18. 18.True or false: a slide switch slides side to side. (a) True (b) False
  19. 19.True or false: a reed switch slides side to side. (a) False (b) True
  20. 20.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a slide switch (c) a reed switch (d) a toggle switch
  21. 21.🔘 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?
  22. 22.🔘 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?
  23. 23.🔘 What does a switch do in a circuit? (a) makes electricity (b) changes the voltage (c) stores current (d) opens or closes the loop
  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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  25. 25.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a reed switch (c) a tilt switch (d) a push button
  26. 26.🔘 A bulb and a cell are joined through 6 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  27. 27.🔘 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 ON and D is OFF. Does the bulb glow? (a) Yes (b) No
  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 OFF, B is ON and C is ON. Does the bulb glow? (a) Yes (b) No
  29. 29.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a push button (c) a toggle switch (d) a reed switch
  30. 30.🔘 Which kind of switch closes when tipped over? (a) a reed switch (b) a tilt switch (c) a push button (d) a toggle switch
  31. 31.🔘 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
  32. 32.What does a toggle switch do? (a) flips up or down (b) springs back when let go (c) closes near a magnet (d) closes when tipped over
  33. 33.🔘 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) No (b) Yes
  34. 34.🔘 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 ON and D is ON. Does the bulb glow? (a) No (b) Yes
  35. 35.🔘 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
  36. 36.🔘 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) No (b) Yes
  37. 37.True or false: a push button flips up or down. (a) True (b) False
  38. 38.What does a push button do? (a) closes when tipped over (b) stays where you flip it (c) springs back when let go (d) flips up or down
  39. 39.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a push button
  40. 40.True or false: a reed switch closes near a magnet. (a) False (b) True

Answer key

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

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