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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 537 · 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 slide switch do? (a) stays where you flip it (b) slides side to side (c) flips up or down (d) closes near a magnet
  2. 2.🔘 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) Yes (b) No
  3. 3.🔘 Which kind of switch flips up or down? (a) a tilt switch (b) a push button (c) a slide switch (d) a toggle switch
  4. 4.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a reed switch (c) a tilt switch (d) a push button
  5. 5.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a reed switch (c) a slide switch (d) a toggle switch
  6. 6.🔘 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
  7. 7.🔘 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
  8. 8.What does a toggle switch do? (a) stays where you flip it (b) closes near a magnet (c) works only while pressed (d) closes when tipped over
  9. 9.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  10. 10.True or false: a tilt switch works only while pressed. (a) True (b) False
  11. 11.What does a tilt switch do? (a) flips up or down (b) springs back when let go (c) closes when tipped over (d) stays where you flip it
  12. 12.🔘 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?
  13. 13.🔘 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?
  14. 14.🔘 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?
  15. 15.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a reed switch (c) a push button (d) a tilt switch
  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.🔘 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
  18. 18.🔘 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?
  19. 19.What does a reed switch do? (a) closes near a magnet (b) springs back when let go (c) works only while pressed (d) stays where you flip it
  20. 20.What does a push button do? (a) closes near a magnet (b) works only while pressed (c) stays where you flip it (d) closes when tipped over
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  22. 22.🔘 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?
  23. 23.True or false: a reed switch stays where you flip it. (a) False (b) True
  24. 24.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  25. 25.🔘 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) No (b) Yes
  26. 26.🔘 Which kind of switch works only while pressed? (a) a push button (b) a toggle switch (c) a slide switch (d) a reed switch
  27. 27.True or false: a toggle switch flips up or down. (a) False (b) True
  28. 28.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) only when both are OFF (c) only when both are ON (d) when either is ON
  29. 29.True or false: a toggle switch stays where you flip it. (a) False (b) True
  30. 30.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) changes the voltage (c) stores current (d) makes electricity
  31. 31.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a toggle switch (c) a reed switch (d) a push button
  32. 32.What does a toggle switch do? (a) springs back when let go (b) closes when tipped over (c) works only while pressed (d) flips up or down
  33. 33.🔘 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
  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 OFF. Does the bulb glow? (a) Yes (b) No
  35. 35.🔘 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 ON and C is ON. Does the bulb glow? (a) Yes (b) No
  36. 36.True or false: a reed switch slides side to side. (a) True (b) False
  37. 37.🔘 When a switch is ON, the circuit is … (a) broken (b) closed (c) cut (d) open
  38. 38.🔘 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
  39. 39.🔘 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
  40. 40.🔘 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) No (b) Yes

Answer key

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

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