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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 645 · 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 push button do? (a) slides side to side (b) stays where you flip it (c) springs back when let go (d) closes near a magnet
  2. 2.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) only when both are OFF (c) never (d) when either is ON
  3. 3.What does a tilt switch do? (a) slides side to side (b) closes near a magnet (c) closes when tipped over (d) works only while pressed
  4. 4.What does a slide switch do? (a) stays where you flip it (b) works only while pressed (c) springs back when let go (d) slides side to side
  5. 5.True or false: a reed switch closes when tipped over. (a) True (b) False
  6. 6.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a toggle switch (c) a push button (d) a reed switch
  7. 7.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  8. 8.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a reed switch (c) a slide switch (d) a push button
  9. 9.🔘 Which kind of switch closes when tipped over? (a) a push button (b) a toggle switch (c) a reed switch (d) a tilt switch
  10. 10.🔘 When a switch is ON, the circuit is … (a) closed (b) cut (c) broken (d) open
  11. 11.What does a reed switch do? (a) closes near a magnet (b) flips up or down (c) springs back when let go (d) stays where you flip it
  12. 12.🔘 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
  13. 13.🔘 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
  14. 14.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) makes electricity (c) stores current (d) changes the voltage
  15. 15.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  16. 16.True or false: a reed switch flips up or down. (a) True (b) False
  17. 17.True or false: a tilt switch flips up or down. (a) True (b) False
  18. 18.🔘 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
  19. 19.What does a toggle switch do? (a) closes when tipped over (b) slides side to side (c) springs back when let go (d) flips up or down
  20. 20.True or false: a tilt switch closes when tipped over. (a) False (b) True
  21. 21.🔘 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
  22. 22.What does a push button do? (a) works only while pressed (b) slides side to side (c) flips up or down (d) closes near a magnet
  23. 23.🔘 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
  24. 24.True or false: a toggle switch closes when tipped over. (a) True (b) False
  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 ON. Does the bulb glow? (a) Yes (b) No
  26. 26.True or false: a push button stays where you flip it. (a) True (b) False
  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 OFF, B is ON and C is ON. Does the bulb glow? (a) Yes (b) No
  28. 28.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when either is ON (c) never (d) when both are ON
  29. 29.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a toggle switch (c) a reed switch (d) a slide switch
  30. 30.🔘 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 ON, C is ON and D is ON. Does the bulb glow? (a) Yes (b) No
  31. 31.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
  32. 32.🔘 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
  33. 33.True or false: a reed switch works only while pressed. (a) False (b) True
  34. 34.🔘 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
  35. 35.True or false: a slide switch stays where you flip it. (a) True (b) False
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  37. 37.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a slide switch (c) a toggle switch (d) a reed switch
  38. 38.🔘 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 ON, C is OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  39. 39.🔘 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?
  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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes

Answer key

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

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