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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 650 · 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 tilt switch do? (a) closes when tipped over (b) works only while pressed (c) stays where you flip it (d) closes near a magnet
  2. 2.What does a reed switch do? (a) flips up or down (b) closes near a magnet (c) springs back when let go (d) slides side to side
  3. 3.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a push button (c) a reed switch (d) a tilt switch
  4. 4.What does a slide switch do? (a) slides side to side (b) closes near a magnet (c) stays where you flip it (d) springs back when let go
  5. 5.What does a toggle switch do? (a) stays where you flip it (b) works only while pressed (c) closes near a magnet (d) springs back when let go
  6. 6.True or false: a push button springs back when let go. (a) False (b) True
  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 ON and C is ON. Does the bulb glow? (a) No (b) Yes
  8. 8.🔘 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
  9. 9.True or false: a reed switch closes near a magnet. (a) True (b) False
  10. 10.🔘 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
  11. 11.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a reed switch (c) a slide switch (d) a toggle switch
  12. 12.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) stores current (c) changes the voltage (d) makes electricity
  13. 13.🔘 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
  14. 14.True or false: a toggle switch flips up or down. (a) True (b) False
  15. 15.🔘 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
  16. 16.🔘 Which kind of switch works only while pressed? (a) a push button (b) a toggle switch (c) a tilt switch (d) a reed switch
  17. 17.What does a toggle switch do? (a) flips up or down (b) slides side to side (c) works only while pressed (d) closes when tipped over
  18. 18.True or false: a toggle switch works only while pressed. (a) True (b) False
  19. 19.🔘 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?
  20. 20.What does a push button do? (a) springs back when let go (b) closes near a magnet (c) slides side to side (d) closes when tipped over
  21. 21.🔘 Which kind of switch springs back when let go? (a) a push button (b) a toggle switch (c) a reed switch (d) a slide switch
  22. 22.🔘 When a switch is ON, the circuit is … (a) broken (b) cut (c) open (d) closed
  23. 23.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a push button
  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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  25. 25.🔘 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 ON, C is ON and D is ON. Does the bulb glow? (a) No (b) Yes
  26. 26.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  27. 27.True or false: a slide switch works only while pressed. (a) True (b) False
  28. 28.True or false: a reed switch works only while pressed. (a) False (b) True
  29. 29.🔘 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
  30. 30.🔘 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) Yes (b) No
  31. 31.True or false: a tilt switch closes when tipped over. (a) True (b) False
  32. 32.🔘 Which kind of switch flips up or down? (a) a push button (b) a slide switch (c) a reed switch (d) a toggle switch
  33. 33.🔘 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
  34. 34.What does a push button do? (a) slides side to side (b) closes when tipped over (c) works only while pressed (d) flips up or down
  35. 35.🔘 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
  36. 36.True or false: a tilt switch closes near a magnet. (a) True (b) False
  37. 37.True or false: a slide switch closes near a magnet. (a) True (b) False
  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 OFF, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  39. 39.🔘 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 OFF, C is OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  40. 40.🔘 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?

Answer key

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

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