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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 617 · 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 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
  2. 2.🔘 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 OFF. 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.True or false: a toggle switch stays where you flip it. (a) True (b) False
  5. 5.True or false: a push button works only while pressed. (a) False (b) True
  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 OFF, 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 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?
  8. 8.True or false: a push button slides side to side. (a) False (b) True
  9. 9.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) when both are OFF (c) when either is ON (d) never
  10. 10.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a push button (c) a slide switch (d) a reed switch
  11. 11.What does a toggle switch do? (a) stays where you flip it (b) slides side to side (c) springs back when let go (d) closes near a magnet
  12. 12.What does a push button do? (a) closes near a magnet (b) slides side to side (c) works only while pressed (d) stays where you flip it
  13. 13.🔘 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
  14. 14.What does a tilt switch do? (a) closes when tipped over (b) stays where you flip it (c) flips up or down (d) slides side to side
  15. 15.🔘 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
  16. 16.True or false: a slide switch stays where you flip it. (a) True (b) False
  17. 17.🔘 When a switch is ON, the circuit is … (a) cut (b) closed (c) broken (d) open
  18. 18.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a toggle switch (c) a reed switch (d) a push button
  19. 19.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a tilt switch (c) a push button (d) a toggle switch
  20. 20.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) only when both are ON (c) when either is ON (d) never
  21. 21.🔘 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?
  22. 22.What does a push button do? (a) springs back when let go (b) closes when tipped over (c) slides side to side (d) flips up or down
  23. 23.🔘 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
  24. 24.🔘 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) Yes (b) No
  25. 25.What does a reed switch do? (a) flips up or down (b) closes near a magnet (c) works only while pressed (d) slides side to side
  26. 26.True or false: a tilt switch flips up or down. (a) True (b) False
  27. 27.What does a toggle switch do? (a) slides side to side (b) springs back when let go (c) closes near a magnet (d) flips up or down
  28. 28.🔘 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?
  29. 29.🔘 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 ON and D is ON. Does the bulb glow? (a) No (b) Yes
  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 OFF, B is ON, C is OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  31. 31.🔘 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
  32. 32.True or false: a slide switch slides side to side. (a) True (b) False
  33. 33.🔘 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) No (b) Yes
  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 OFF, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  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 ON, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  36. 36.🔘 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
  37. 37.True or false: a slide switch springs back when let go. (a) True (b) False
  38. 38.🔘 What does a switch do in a circuit? (a) changes the voltage (b) stores current (c) opens or closes the loop (d) makes electricity
  39. 39.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a push button (c) a reed switch (d) a slide switch
  40. 40.🔘 Which kind of switch flips up or down? (a) a push button (b) a tilt switch (c) a reed switch (d) a toggle switch

Answer key

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

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