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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 214 · 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.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a tilt switch (c) a toggle switch (d) a push button
  2. 2.What does a push button do? (a) closes near a magnet (b) stays where you flip it (c) closes when tipped over (d) works only while pressed
  3. 3.True or false: a reed switch closes when tipped over. (a) True (b) False
  4. 4.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  5. 5.🔘 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 OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  6. 6.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a push button
  7. 7.What does a tilt switch do? (a) closes when tipped over (b) springs back when let go (c) flips up or down (d) closes near a magnet
  8. 8.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a push button (c) a tilt switch (d) a reed switch
  9. 9.What does a push button do? (a) flips up or down (b) closes near a magnet (c) stays where you flip it (d) springs back when let go
  10. 10.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a tilt switch (c) a reed switch (d) a toggle switch
  11. 11.🔘 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) No (b) Yes
  12. 12.🔘 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?
  13. 13.What does a reed switch do? (a) slides side to side (b) closes near a magnet (c) stays where you flip it (d) springs back when let go
  14. 14.What does a slide switch do? (a) slides side to side (b) works only while pressed (c) closes near a magnet (d) flips up or down
  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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  16. 16.True or false: a push button slides side to side. (a) False (b) True
  17. 17.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a push button (c) a slide switch (d) a reed switch
  18. 18.🔘 What does a switch do in a circuit? (a) changes the voltage (b) stores current (c) opens or closes the loop (d) makes electricity
  19. 19.🔘 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
  20. 20.🔘 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
  21. 21.True or false: a reed switch springs back when let go. (a) True (b) False
  22. 22.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a push button (c) a reed switch (d) a toggle switch
  23. 23.🔘 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?
  24. 24.🔘 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?
  25. 25.🔘 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 ON, C is ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  26. 26.True or false: a slide switch stays where you flip it. (a) False (b) True
  27. 27.🔘 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
  28. 28.🔘 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 ON, C is OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  29. 29.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  30. 30.🔘 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?
  31. 31.What does a toggle switch do? (a) springs back when let go (b) works only while pressed (c) closes when tipped over (d) stays where you flip it
  32. 32.🔘 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?
  33. 33.🔘 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 ON (d) only when both are OFF
  34. 34.🔘 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
  35. 35.🔘 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) Yes (b) No
  36. 36.True or false: a reed switch closes near a magnet. (a) False (b) True
  37. 37.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  38. 38.🔘 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
  39. 39.🔘 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
  40. 40.🔘 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

Answer key

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

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