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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 306 · 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 toggle switch do? (a) works only while pressed (b) closes when tipped over (c) slides side to side (d) stays where you flip it
  2. 2.🔘 What does a switch do in a circuit? (a) changes the voltage (b) stores current (c) makes electricity (d) opens or closes the loop
  3. 3.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  4. 4.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) never (c) only when both are OFF (d) when either is ON
  5. 5.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are ON (c) when both are OFF (d) never
  6. 6.🔘 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
  7. 7.🔘 A bulb and a cell are joined through 4 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  8. 8.What does a reed switch do? (a) closes near a magnet (b) flips up or down (c) works only while pressed (d) springs back when let go
  9. 9.True or false: a tilt switch flips up or down. (a) False (b) True
  10. 10.🔘 A bulb and a cell are joined through 4 switches on 4 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?
  11. 11.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a reed switch (c) a push button (d) a tilt switch
  12. 12.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a slide switch (c) a toggle switch (d) a reed switch
  13. 13.🔘 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) Yes (b) No
  14. 14.True or false: a push button slides side to side. (a) False (b) True
  15. 15.🔘 When a switch is ON, the circuit is … (a) broken (b) cut (c) open (d) closed
  16. 16.🔘 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 OFF, C is OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  17. 17.🔘 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) No (b) Yes
  18. 18.🔘 Which kind of switch closes near a magnet? (a) a tilt switch (b) a slide switch (c) a reed switch (d) a push button
  19. 19.🔘 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) No (b) Yes
  20. 20.True or false: a push button 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 ON and B is OFF. Does the bulb glow? (a) Yes (b) No
  22. 22.🔘 Which kind of switch flips up or down? (a) a push button (b) a reed switch (c) a toggle switch (d) a slide switch
  23. 23.🔘 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
  24. 24.🔘 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 ON, C is OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  25. 25.True or false: a reed switch closes near a magnet. (a) True (b) False
  26. 26.🔘 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?
  27. 27.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a reed switch (c) a toggle switch (d) a tilt switch
  28. 28.🔘 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
  29. 29.True or false: a slide switch slides side to side. (a) False (b) True
  30. 30.True or false: a toggle switch flips up or down. (a) False (b) True
  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 ON. Does the bulb glow? (a) No (b) Yes
  32. 32.True or false: a toggle switch springs back when let go. (a) True (b) False
  33. 33.What does a push button do? (a) flips up or down (b) closes when tipped over (c) closes near a magnet (d) works only while pressed
  34. 34.What does a slide switch do? (a) springs back when let go (b) stays where you flip it (c) flips up or down (d) slides side to side
  35. 35.What does a push button do? (a) closes near a magnet (b) springs back when let go (c) stays where you flip it (d) flips up or down
  36. 36.🔘 Which kind of switch slides side to side? (a) a push button (b) a toggle switch (c) a reed switch (d) a slide switch
  37. 37.🔘 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
  38. 38.🔘 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 ON, C is ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  39. 39.🔘 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
  40. 40.🔘 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?

Answer key

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

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