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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 992 · 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 switch do in a circuit? (a) stores current (b) makes electricity (c) changes the voltage (d) opens or closes the loop
  2. 2.🔘 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) No (b) Yes
  3. 3.🔘 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) when either is ON (d) never
  4. 4.🔘 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
  5. 5.🔘 A cell, a bulb and switches A, B, C and D are joined one after another in a single loop (series). A is OFF, B is OFF, C is ON and D is OFF. Does the bulb glow? (a) Yes (b) No
  6. 6.🔘 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
  7. 7.What does a tilt switch do? (a) works only while pressed (b) stays where you flip it (c) closes when tipped over (d) springs back when let go
  8. 8.🔘 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 ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  9. 9.🔘 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
  10. 10.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a reed switch (c) a toggle switch (d) a slide switch
  11. 11.True or false: a toggle switch stays where you flip it. (a) False (b) True
  12. 12.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a slide switch (c) a tilt switch (d) a toggle switch
  13. 13.🔘 Which kind of switch closes near a magnet? (a) a reed switch (b) a tilt switch (c) a slide switch (d) a toggle switch
  14. 14.What does a reed switch do? (a) stays where you flip it (b) works only while pressed (c) closes near a magnet (d) flips up or down
  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 toggle switch closes near a magnet. (a) True (b) False
  17. 17.🔘 Which kind of switch flips up or down? (a) a push button (b) a toggle switch (c) a slide switch (d) a tilt switch
  18. 18.🔘 When a switch is ON, the circuit is … (a) cut (b) open (c) broken (d) closed
  19. 19.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  20. 20.True or false: a tilt switch closes when tipped over. (a) False (b) True
  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 OFF, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  22. 22.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a slide switch (c) a tilt switch (d) a push button
  23. 23.What does a slide switch do? (a) springs back when let go (b) works only while pressed (c) slides side to side (d) closes near a magnet
  24. 24.What does a push button do? (a) works only while pressed (b) closes near a magnet (c) stays where you flip it (d) closes when tipped over
  25. 25.True or false: a push button works only while pressed. (a) False (b) True
  26. 26.🔘 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 ON, B is ON and C is ON. Does the bulb glow? (a) No (b) Yes
  27. 27.🔘 A cell, a bulb and switches A, B, C and D are joined one after another in a single loop (series). A is OFF, B is OFF, C is OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  28. 28.True or false: a toggle switch flips up or down. (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 OFF, B is ON and C is ON. Does the bulb glow? (a) No (b) Yes
  30. 30.True or false: a toggle switch closes when tipped over. (a) False (b) True
  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 ON and C is ON. Does the bulb glow? (a) Yes (b) No
  32. 32.🔘 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
  33. 33.True or false: a slide switch springs back when let go. (a) True (b) False
  34. 34.🔘 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?
  35. 35.🔘 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
  36. 36.🔘 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) No (b) Yes
  37. 37.True or false: a reed switch stays where you flip it. (a) False (b) True
  38. 38.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a slide switch (c) a reed switch (d) a toggle switch
  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 ON and D is ON. Does the bulb glow? (a) Yes (b) No
  40. 40.True or false: a push button closes near a magnet. (a) False (b) True

Answer key

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

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