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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 730 · 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 near a magnet? (a) a slide switch (b) a push button (c) a toggle switch (d) a reed switch
  2. 2.🔘 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) Yes (b) No
  3. 3.What does a push button do? (a) works only while pressed (b) closes when tipped over (c) flips up or down (d) closes near a magnet
  4. 4.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a push button (c) a tilt switch (d) a toggle switch
  5. 5.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) stores current (c) makes electricity (d) changes the voltage
  6. 6.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a slide switch (c) a reed switch (d) a push button
  7. 7.🔘 A cell, a bulb and switches A, B, C and D are joined one after another in a single loop (series). A is ON, B is OFF, C is ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  8. 8.🔘 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
  9. 9.🔘 When a switch is ON, the circuit is … (a) broken (b) closed (c) open (d) cut
  10. 10.🔘 Which kind of switch springs back when let go? (a) a push button (b) a slide switch (c) a reed switch (d) a toggle switch
  11. 11.What does a push button do? (a) slides side to side (b) flips up or down (c) closes near a magnet (d) springs back when let go
  12. 12.What does a slide switch do? (a) slides side to side (b) closes near a magnet (c) flips up or down (d) works only while pressed
  13. 13.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a reed switch (c) a push button (d) a toggle switch
  14. 14.True or false: a slide switch stays where you flip it. (a) False (b) True
  15. 15.True or false: a push button springs back when let go. (a) True (b) False
  16. 16.True or false: a push button flips up or down. (a) True (b) False
  17. 17.What does a reed switch do? (a) works only while pressed (b) springs back when let go (c) closes near a magnet (d) stays where you flip it
  18. 18.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a push button (c) a slide switch (d) a toggle switch
  19. 19.What does a toggle switch do? (a) stays where you flip it (b) closes near a magnet (c) springs back when let go (d) closes when tipped over
  20. 20.🔘 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
  21. 21.🔘 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
  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 tilt switch do? (a) springs back when let go (b) slides side to side (c) flips up or down (d) closes when tipped over
  24. 24.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  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 ON. Does the bulb glow? (a) No (b) Yes
  26. 26.True or false: a reed switch stays where you flip it. (a) True (b) False
  27. 27.True or false: a tilt switch closes when tipped over. (a) False (b) True
  28. 28.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when either is ON (c) when both are ON (d) never
  29. 29.🔘 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
  30. 30.🔘 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
  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 OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  32. 32.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a slide switch (c) a push button (d) a toggle switch
  33. 33.🔘 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
  34. 34.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) only when both are OFF (c) only when both are ON (d) never
  35. 35.True or false: a toggle switch flips up or down. (a) True (b) False
  36. 36.True or false: a toggle switch stays where you flip it. (a) False (b) True
  37. 37.🔘 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?
  38. 38.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  39. 39.True or false: a slide switch slides side to side. (a) True (b) False
  40. 40.🔘 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?

Answer key

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

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