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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 416 · 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 toggle switch (b) a tilt switch (c) a reed switch (d) a slide switch
  2. 2.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when both are OFF (c) when both are ON (d) when either is ON
  3. 3.What does a reed switch do? (a) flips up or down (b) springs back when let go (c) closes near a magnet (d) slides side to side
  4. 4.🔘 A bulb and a cell are joined through 4 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  5. 5.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a tilt switch (c) a slide switch (d) a push button
  6. 6.🔘 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
  7. 7.True or false: a toggle switch slides side to side. (a) True (b) False
  8. 8.True or false: a reed switch closes near a magnet. (a) True (b) False
  9. 9.🔘 When a switch is ON, the circuit is … (a) open (b) broken (c) cut (d) closed
  10. 10.What does a toggle switch do? (a) closes when tipped over (b) slides side to side (c) stays where you flip it (d) works only while pressed
  11. 11.What does a slide switch do? (a) slides side to side (b) stays where you flip it (c) springs back when let go (d) closes near a magnet
  12. 12.🔘 What does a switch do in a circuit? (a) makes electricity (b) changes the voltage (c) stores current (d) opens or closes the loop
  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.🔘 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
  15. 15.What does a push button do? (a) closes near a magnet (b) slides side to side (c) stays where you flip it (d) works only while pressed
  16. 16.What does a tilt switch do? (a) closes near a magnet (b) flips up or down (c) stays where you flip it (d) closes when tipped over
  17. 17.True or false: a push button works only while pressed. (a) False (b) True
  18. 18.🔘 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
  19. 19.What does a toggle switch do? (a) works only while pressed (b) flips up or down (c) slides side to side (d) closes near a magnet
  20. 20.🔘 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) Yes (b) No
  21. 21.🔘 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
  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 OFF, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  23. 23.What does a push button do? (a) closes when tipped over (b) flips up or down (c) springs back when let go (d) stays where you flip it
  24. 24.🔘 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?
  25. 25.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  26. 26.🔘 Which kind of switch flips up or down? (a) a push button (b) a tilt switch (c) a slide switch (d) a toggle switch
  27. 27.🔘 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
  28. 28.🔘 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
  29. 29.True or false: a toggle switch stays where you flip it. (a) False (b) True
  30. 30.🔘 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
  31. 31.🔘 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
  32. 32.🔘 Which kind of switch slides side to side? (a) a push button (b) a reed switch (c) a toggle switch (d) a slide switch
  33. 33.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a slide switch (c) a reed switch (d) a toggle switch
  34. 34.🔘 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?
  35. 35.True or false: a push button closes near a magnet. (a) True (b) False
  36. 36.True or false: a toggle switch flips up or down. (a) True (b) False
  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) No (b) Yes
  38. 38.🔘 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) No (b) Yes
  39. 39.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a push button (c) a reed switch (d) a toggle switch
  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) No (b) Yes

Answer key

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

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