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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 235 · 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 reed switch do? (a) slides side to side (b) closes near a magnet (c) flips up or down (d) springs back when let go
  2. 2.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a slide switch (c) a tilt switch (d) a reed switch
  3. 3.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a toggle switch (c) a push button (d) a reed switch
  4. 4.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) when either is ON (c) when both are OFF (d) never
  5. 5.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a tilt switch (c) a slide switch (d) a reed switch
  6. 6.What does a toggle switch do? (a) springs back when let go (b) stays where you flip it (c) closes near a magnet (d) works only while pressed
  7. 7.True or false: a push button springs back when let go. (a) True (b) False
  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.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) when either is ON (c) never (d) only when both are OFF
  10. 10.What does a toggle switch do? (a) springs back when let go (b) flips up or down (c) slides side to side (d) closes when tipped over
  11. 11.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a slide switch (c) a tilt switch (d) a push button
  12. 12.True or false: a tilt switch closes when tipped over. (a) True (b) False
  13. 13.🔘 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) No (b) Yes
  14. 14.🔘 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) No (b) Yes
  15. 15.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a push button (c) a tilt switch (d) a reed switch
  16. 16.🔘 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
  17. 17.🔘 When a switch is ON, the circuit is … (a) cut (b) closed (c) broken (d) open
  18. 18.What does a tilt switch do? (a) works only while pressed (b) stays where you flip it (c) closes near a magnet (d) closes when tipped over
  19. 19.True or false: a slide switch stays where you flip it. (a) False (b) True
  20. 20.🔘 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?
  21. 21.True or false: a toggle switch stays where you flip it. (a) False (b) True
  22. 22.🔘 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
  23. 23.True or false: a push button slides side to side. (a) True (b) False
  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 ON, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  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 OFF. Does the bulb glow? (a) Yes (b) No
  26. 26.What does a push button do? (a) closes near a magnet (b) flips up or down (c) stays where you flip it (d) works only while pressed
  27. 27.🔘 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
  28. 28.What does a slide switch do? (a) flips up or down (b) springs back when let go (c) slides side to side (d) works only while pressed
  29. 29.🔘 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?
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  31. 31.True or false: a slide switch slides side to side. (a) False (b) True
  32. 32.True or false: a reed switch closes near a magnet. (a) True (b) False
  33. 33.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) changes the voltage (c) makes electricity (d) stores current
  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 ON and C is ON. Does the bulb glow? (a) No (b) Yes
  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 ON and C is ON. Does the bulb glow? (a) Yes (b) No
  36. 36.🔘 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
  37. 37.🔘 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 ON and B is OFF. Does the bulb glow? (a) No (b) Yes
  38. 38.True or false: a slide switch closes when tipped over. (a) True (b) False
  39. 39.🔘 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?
  40. 40.True or false: a toggle switch springs back when let go. (a) False (b) True

Answer key

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

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