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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 877 · 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 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?
  2. 2.What does a reed switch do? (a) stays where you flip it (b) springs back when let go (c) flips up or down (d) closes near a magnet
  3. 3.What does a push button do? (a) closes near a magnet (b) closes when tipped over (c) springs back when let go (d) stays where you flip it
  4. 4.True or false: a toggle switch stays where you flip it. (a) True (b) False
  5. 5.🔘 When a switch is ON, the circuit is … (a) broken (b) cut (c) closed (d) open
  6. 6.What does a slide switch do? (a) stays where you flip it (b) closes near a magnet (c) works only while pressed (d) slides side to side
  7. 7.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a tilt switch (c) a push button (d) a reed 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 ON. Does the bulb glow? (a) Yes (b) No
  9. 9.What does a push button do? (a) flips up or down (b) works only while pressed (c) stays where you flip it (d) closes near a magnet
  10. 10.🔘 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) No (b) Yes
  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 OFF. Does the bulb glow? (a) Yes (b) No
  12. 12.🔘 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
  13. 13.🔘 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) No (b) Yes
  14. 14.🔘 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) No (b) Yes
  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 OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  16. 16.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a reed switch (c) a tilt switch (d) a toggle switch
  17. 17.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  18. 18.True or false: a push button works only while pressed. (a) True (b) False
  19. 19.What does a tilt switch do? (a) flips up or down (b) slides side to side (c) closes when tipped over (d) stays where you flip it
  20. 20.🔘 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
  21. 21.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) never (c) only when both are ON (d) only when both are OFF
  22. 22.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  23. 23.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  24. 24.🔘 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
  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.🔘 Which kind of switch flips up or down? (a) a push button (b) a slide switch (c) a tilt switch (d) a toggle switch
  27. 27.🔘 A cell, a bulb and switches A and B are joined one after another in a single loop (series). A is ON and B is ON. Does the bulb glow? (a) No (b) Yes
  28. 28.🔘 A cell, a bulb and switches A and B are joined one after another in a single loop (series). A is ON and B is OFF. Does the bulb glow? (a) No (b) Yes
  29. 29.🔘 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) No (b) Yes
  30. 30.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a push button (c) a toggle switch (d) a reed switch
  31. 31.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a toggle switch (c) a push button (d) a reed switch
  32. 32.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a toggle switch (c) a tilt switch (d) a push button
  33. 33.🔘 What does a switch do in a circuit? (a) stores current (b) changes the voltage (c) makes electricity (d) opens or closes the loop
  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 OFF, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  35. 35.True or false: a tilt switch slides side to side. (a) False (b) True
  36. 36.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are OFF (c) when both are ON (d) never
  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 ON and C is ON. Does the bulb glow? (a) Yes (b) No
  38. 38.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  39. 39.🔘 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
  40. 40.True or false: a slide switch flips up or down. (a) False (b) True

Answer key

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

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