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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 977 · 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.What does a toggle switch do? (a) springs back when let go (b) works only while pressed (c) flips up or down (d) slides side to side
  2. 2.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are OFF (c) never (d) when both are ON
  3. 3.🔘 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?
  4. 4.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
  5. 5.🔘 Which kind of switch closes when tipped over? (a) a reed switch (b) a push button (c) a toggle switch (d) a tilt switch
  6. 6.True or false: a toggle switch closes when tipped over. (a) False (b) True
  7. 7.What does a toggle switch do? (a) closes when tipped over (b) slides side to side (c) stays where you flip it (d) springs back when let go
  8. 8.🔘 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?
  9. 9.🔘 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
  10. 10.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a toggle switch (c) a reed switch (d) a slide switch
  11. 11.🔘 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
  12. 12.True or false: a push button works only while pressed. (a) False (b) True
  13. 13.🔘 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) No (b) Yes
  14. 14.What does a slide switch do? (a) works only while pressed (b) flips up or down (c) springs back when let go (d) slides side to side
  15. 15.What does a push button do? (a) flips up or down (b) closes near a magnet (c) springs back when let go (d) closes when tipped over
  16. 16.True or false: a push button closes when tipped over. (a) False (b) True
  17. 17.🔘 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) No (b) Yes
  18. 18.🔘 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?
  19. 19.🔘 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?
  20. 20.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a toggle switch (c) a push button (d) a reed switch
  21. 21.True or false: a toggle switch flips up or down. (a) False (b) True
  22. 22.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) changes the voltage (c) makes electricity (d) stores current
  23. 23.🔘 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
  24. 24.True or false: a slide switch works only while pressed. (a) False (b) True
  25. 25.What does a reed switch do? (a) works only while pressed (b) closes when tipped over (c) springs back when let go (d) closes near a magnet
  26. 26.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) only when both are ON (c) when either is ON (d) never
  27. 27.🔘 When a switch is ON, the circuit is … (a) cut (b) broken (c) closed (d) open
  28. 28.🔘 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
  29. 29.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  30. 30.True or false: a toggle switch springs back when let go. (a) True (b) False
  31. 31.🔘 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) No (b) Yes
  32. 32.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a reed switch (c) a push button (d) a tilt switch
  33. 33.True or false: a toggle switch stays where you flip it. (a) True (b) False
  34. 34.🔘 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
  35. 35.True or false: a tilt switch slides side to side. (a) True (b) False
  36. 36.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a tilt switch (c) a reed switch (d) a push button
  37. 37.What does a push button do? (a) slides side to side (b) stays where you flip it (c) works only while pressed (d) closes when tipped over
  38. 38.🔘 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?
  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.🔘 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 ON. Does the bulb glow? (a) No (b) Yes

Answer key

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

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