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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 562 · 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.🔘 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 OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  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 ON and C is ON. Does the bulb glow? (a) Yes (b) No
  3. 3.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  4. 4.🔘 Which kind of switch flips up or down? (a) a push button (b) a slide switch (c) a toggle switch (d) a reed switch
  5. 5.What does a tilt switch do? (a) works only while pressed (b) stays where you flip it (c) closes when tipped over (d) flips up or down
  6. 6.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  7. 7.🔘 When a switch is ON, the circuit is … (a) broken (b) open (c) cut (d) closed
  8. 8.🔘 Which kind of switch springs back when let go? (a) a reed switch (b) a push button (c) a tilt switch (d) a slide switch
  9. 9.True or false: a reed switch stays where you flip it. (a) False (b) True
  10. 10.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when both are ON (c) never (d) when either is ON
  11. 11.🔘 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
  12. 12.🔘 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
  13. 13.True or false: a toggle switch stays where you flip it. (a) False (b) True
  14. 14.True or false: a toggle switch closes near a magnet. (a) False (b) True
  15. 15.True or false: a slide switch flips up or down. (a) True (b) False
  16. 16.What does a toggle switch do? (a) closes when tipped over (b) stays where you flip it (c) springs back when let go (d) closes near a magnet
  17. 17.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) stores current (c) makes electricity (d) changes the voltage
  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 OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  19. 19.What does a reed switch do? (a) springs back when let go (b) flips up or down (c) closes near a magnet (d) works only while pressed
  20. 20.🔘 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 OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  21. 21.True or false: a reed switch closes near a magnet. (a) False (b) True
  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.🔘 A bulb and a cell are joined through 6 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  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 ON and C is ON. Does the bulb glow? (a) No (b) Yes
  25. 25.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a reed switch (c) a tilt switch (d) a slide switch
  26. 26.🔘 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?
  27. 27.🔘 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) No (b) Yes
  28. 28.True or false: a tilt switch flips up or down. (a) True (b) False
  29. 29.What does a push button do? (a) slides side to side (b) closes near a magnet (c) springs back when let go (d) stays where you flip it
  30. 30.True or false: a toggle switch flips up or down. (a) True (b) False
  31. 31.🔘 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
  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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  33. 33.🔘 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
  34. 34.🔘 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) No (b) Yes
  35. 35.🔘 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) 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) No (b) Yes
  37. 37.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
  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 OFF. Does the bulb glow? (a) Yes (b) No
  39. 39.True or false: a slide switch slides side to side. (a) False (b) True
  40. 40.True or false: a push button stays where you flip it. (a) False (b) True

Answer key

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

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