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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 262 · 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 reed switch springs back when let go. (a) True (b) False
  2. 2.What does a toggle switch do? (a) closes near a magnet (b) closes when tipped over (c) slides side to side (d) stays where you flip it
  3. 3.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a reed switch (c) a toggle switch (d) a push button
  4. 4.🔘 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?
  5. 5.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a toggle switch (c) a tilt switch (d) a slide switch
  6. 6.🔘 When a switch is ON, the circuit is … (a) open (b) closed (c) cut (d) broken
  7. 7.What does a slide switch do? (a) stays where you flip it (b) slides side to side (c) springs back when let go (d) flips up or down
  8. 8.🔘 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?
  9. 9.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  10. 10.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a push button (c) a reed switch (d) a tilt switch
  11. 11.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) stores current (c) changes the voltage (d) makes electricity
  12. 12.What does a reed switch do? (a) closes near a magnet (b) flips up or down (c) stays where you flip it (d) closes when tipped over
  13. 13.🔘 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
  14. 14.🔘 Which kind of switch slides side to side? (a) a push button (b) a tilt switch (c) a slide switch (d) a reed switch
  15. 15.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) only when both are OFF (c) when either is ON (d) only when both are ON
  16. 16.🔘 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
  17. 17.What does a tilt switch do? (a) closes when tipped over (b) stays where you flip it (c) flips up or down (d) springs back when let go
  18. 18.🔘 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
  19. 19.What does a toggle switch do? (a) slides side to side (b) flips up or down (c) closes near a magnet (d) springs back when let go
  20. 20.True or false: a toggle switch flips up or down. (a) False (b) True
  21. 21.🔘 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?
  22. 22.🔘 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
  23. 23.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when both are OFF (c) when either is ON (d) when both are ON
  24. 24.🔘 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
  25. 25.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a reed switch (c) a push button (d) a slide switch
  26. 26.True or false: a tilt switch stays where you flip it. (a) False (b) True
  27. 27.What does a push button do? (a) stays where you flip it (b) closes near a magnet (c) works only while pressed (d) flips up or down
  28. 28.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  29. 29.🔘 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
  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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  31. 31.🔘 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
  32. 32.🔘 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
  33. 33.🔘 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?
  34. 34.🔘 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?
  35. 35.What does a push button do? (a) flips up or down (b) stays where you flip it (c) closes when tipped over (d) springs back when let go
  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 OFF, B is ON, C is ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  37. 37.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a push button (c) a reed switch (d) a tilt switch
  38. 38.🔘 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) 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 ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  40. 40.True or false: a push button closes near a magnet. (a) True (b) False

Answer key

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

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