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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 786 · 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 tilt switch springs back when let go. (a) False (b) True
  2. 2.🔘 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
  3. 3.🔘 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?
  4. 4.What does a push button do? (a) slides side to side (b) springs back when let go (c) closes near a magnet (d) stays where you flip it
  5. 5.True or false: a toggle switch closes when tipped over. (a) True (b) False
  6. 6.What does a slide switch do? (a) flips up or down (b) closes when tipped over (c) stays where you flip it (d) slides side to side
  7. 7.🔘 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
  8. 8.True or false: a tilt switch closes when tipped over. (a) False (b) True
  9. 9.What does a toggle switch do? (a) closes when tipped over (b) flips up or down (c) slides side to side (d) works only while pressed
  10. 10.What does a reed switch do? (a) closes when tipped over (b) closes near a magnet (c) slides side to side (d) flips up or down
  11. 11.True or false: a toggle switch slides side to side. (a) True (b) False
  12. 12.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when both are ON (c) when either is ON (d) never
  13. 13.🔘 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 ON and D is ON. Does the bulb glow? (a) Yes (b) No
  14. 14.What does a tilt switch do? (a) slides side to side (b) closes when tipped over (c) springs back when let go (d) works only while pressed
  15. 15.🔘 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) No (b) Yes
  16. 16.🔘 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?
  17. 17.🔘 When a switch is ON, the circuit is … (a) open (b) broken (c) closed (d) cut
  18. 18.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a toggle switch (c) a push button (d) a tilt switch
  19. 19.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a tilt switch (c) a slide switch (d) a push button
  20. 20.🔘 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?
  21. 21.🔘 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) No (b) Yes
  22. 22.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a reed switch (c) a push button (d) a tilt switch
  23. 23.True or false: a reed switch closes near a magnet. (a) True (b) False
  24. 24.True or false: a toggle switch stays where you flip it. (a) True (b) False
  25. 25.🔘 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?
  26. 26.🔘 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
  27. 27.🔘 What does a switch do in a circuit? (a) makes electricity (b) opens or closes the loop (c) changes the voltage (d) stores current
  28. 28.What does a push button do? (a) slides side to side (b) works only while pressed (c) closes near a magnet (d) flips up or down
  29. 29.What does a toggle switch do? (a) closes when tipped over (b) slides side to side (c) springs back when let go (d) stays where you flip it
  30. 30.🔘 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 OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  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 OFF, B is ON, C is OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  32. 32.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  33. 33.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a reed switch (c) a push button (d) a tilt switch
  34. 34.True or false: a toggle switch flips up or down. (a) True (b) False
  35. 35.🔘 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
  36. 36.🔘 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 OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  37. 37.🔘 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
  38. 38.🔘 Which kind of switch closes when tipped over? (a) a push button (b) a tilt switch (c) a toggle switch (d) a slide switch
  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 ON. Does the bulb glow? (a) No (b) Yes
  40. 40.🔘 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

Answer key

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

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