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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 270 · 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 OFF, B is ON, C is OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  2. 2.🔘 When a switch is ON, the circuit is … (a) open (b) broken (c) closed (d) cut
  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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  4. 4.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a slide switch (c) a push button (d) a tilt switch
  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 ON, C is ON and D is ON. Does the bulb glow? (a) Yes (b) No
  6. 6.🔘 Which kind of switch slides side to side? (a) a reed switch (b) a push button (c) a slide switch (d) a toggle switch
  7. 7.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) never (c) when both are OFF (d) when either is ON
  8. 8.🔘 Which kind of switch closes when tipped over? (a) a push button (b) a tilt switch (c) a toggle switch (d) a slide switch
  9. 9.🔘 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?
  10. 10.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) only when both are OFF (c) only when both are ON (d) never
  11. 11.What does a reed switch do? (a) closes near a magnet (b) closes when tipped over (c) stays where you flip it (d) works only while pressed
  12. 12.🔘 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
  13. 13.🔘 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
  14. 14.True or false: a slide switch closes when tipped over. (a) True (b) False
  15. 15.🔘 What does a switch do in a circuit? (a) changes the voltage (b) opens or closes the loop (c) stores current (d) makes electricity
  16. 16.🔘 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) Yes (b) No
  17. 17.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a push button (c) a reed switch (d) a slide switch
  18. 18.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a tilt switch (c) a push button (d) a slide switch
  19. 19.What does a toggle switch do? (a) closes when tipped over (b) slides side to side (c) works only while pressed (d) stays where you flip it
  20. 20.🔘 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 OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  21. 21.🔘 Which kind of switch works only while pressed? (a) a push button (b) a slide switch (c) a reed switch (d) a toggle switch
  22. 22.🔘 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
  23. 23.What does a push button do? (a) closes when tipped over (b) closes near a magnet (c) slides side to side (d) springs back when let go
  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 OFF, B is ON and C is ON. Does the bulb glow? (a) Yes (b) No
  25. 25.🔘 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
  26. 26.What does a tilt switch do? (a) works only while pressed (b) closes near a magnet (c) springs back when let go (d) closes when tipped over
  27. 27.True or false: a toggle switch flips up or down. (a) True (b) False
  28. 28.🔘 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) No (b) Yes
  29. 29.🔘 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?
  30. 30.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  31. 31.🔘 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) No (b) Yes
  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 OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  33. 33.True or false: a push button closes near a magnet. (a) False (b) True
  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 ON, B is OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  35. 35.What does a push button do? (a) closes near a magnet (b) stays where you flip it (c) closes when tipped over (d) works only while pressed
  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 ON, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  37. 37.🔘 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
  38. 38.🔘 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
  39. 39.🔘 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
  40. 40.What does a toggle switch do? (a) works only while pressed (b) closes when tipped over (c) flips up or down (d) closes near a magnet

Answer key

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

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