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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 581 · 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.True or false: a toggle switch stays where you flip it. (a) False (b) True
  2. 2.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  4. 4.What does a reed switch do? (a) springs back when let go (b) closes near a magnet (c) stays where you flip it (d) works only while pressed
  5. 5.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a push button (c) a toggle switch (d) a slide switch
  6. 6.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a toggle switch (c) a slide switch (d) a push button
  7. 7.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a slide switch (c) a toggle switch (d) a reed switch
  8. 8.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a reed switch (c) a push button (d) a toggle switch
  9. 9.🔘 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) No (b) Yes
  10. 10.True or false: a reed switch stays where you flip it. (a) False (b) True
  11. 11.What does a slide switch do? (a) slides side to side (b) springs back when let go (c) closes when tipped over (d) works only while pressed
  12. 12.🔘 Which kind of switch flips up or down? (a) a push button (b) a slide switch (c) a toggle switch (d) a tilt switch
  13. 13.🔘 What does a switch do in a circuit? (a) makes electricity (b) changes the voltage (c) opens or closes the loop (d) stores current
  14. 14.What does a toggle switch do? (a) closes near a magnet (b) springs back when let go (c) works only while pressed (d) flips up or down
  15. 15.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) never (c) when either is ON (d) only when both are OFF
  16. 16.🔘 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
  17. 17.🔘 When a switch is ON, the circuit is … (a) cut (b) open (c) closed (d) broken
  18. 18.🔘 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
  19. 19.True or false: a push button works only while pressed. (a) True (b) False
  20. 20.What does a tilt switch do? (a) stays where you flip it (b) works only while pressed (c) closes when tipped over (d) springs back when let go
  21. 21.True or false: a reed switch works only while pressed. (a) True (b) False
  22. 22.🔘 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
  23. 23.True or false: a push button stays where you flip it. (a) True (b) False
  24. 24.What does a push button do? (a) closes near a magnet (b) flips up or down (c) works only while pressed (d) stays where you flip it
  25. 25.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are ON (c) when both are OFF (d) never
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  27. 27.What does a push button do? (a) slides side to side (b) closes when tipped over (c) flips up or down (d) springs back when let go
  28. 28.True or false: a tilt switch flips up or down. (a) True (b) False
  29. 29.True or false: a toggle switch flips up or down. (a) True (b) False
  30. 30.True or false: a slide switch slides side to side. (a) False (b) True
  31. 31.🔘 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 OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  32. 32.🔘 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?
  33. 33.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  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 OFF and B is OFF. Does the bulb glow? (a) Yes (b) No
  35. 35.True or false: a reed switch closes near a magnet. (a) False (b) True
  36. 36.🔘 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
  37. 37.🔘 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
  38. 38.🔘 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
  39. 39.🔘 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 OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  40. 40.🔘 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?

Answer key

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

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