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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 484 · 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 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
  2. 2.🔘 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) never (d) only when both are ON
  3. 3.🔘 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) No (b) Yes
  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 OFF, B is OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  5. 5.What does a push button do? (a) closes when tipped over (b) closes near a magnet (c) flips up or down (d) works only while pressed
  6. 6.🔘 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
  7. 7.🔘 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
  8. 8.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a slide switch (c) a toggle switch (d) a push button
  9. 9.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a reed switch (c) a push button (d) a toggle switch
  10. 10.🔘 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) Yes (b) No
  11. 11.What does a toggle switch do? (a) slides side to side (b) flips up or down (c) closes when tipped over (d) springs back when let go
  12. 12.🔘 What does a switch do in a circuit? (a) changes the voltage (b) stores current (c) makes electricity (d) opens or closes the loop
  13. 13.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) never (c) when both are OFF (d) when both are ON
  14. 14.🔘 When a switch is ON, the circuit is … (a) closed (b) broken (c) cut (d) open
  15. 15.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a tilt switch (c) a push button (d) a slide switch
  16. 16.🔘 Which kind of switch closes near a magnet? (a) a reed switch (b) a push button (c) a toggle switch (d) a tilt switch
  17. 17.🔘 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
  18. 18.What does a toggle switch do? (a) works only while pressed (b) closes near a magnet (c) closes when tipped over (d) stays where you flip it
  19. 19.What does a reed switch do? (a) closes when tipped over (b) springs back when let go (c) slides side to side (d) closes near a magnet
  20. 20.True or false: a push button springs back when let go. (a) False (b) True
  21. 21.What does a tilt switch do? (a) works only while pressed (b) closes when tipped over (c) closes near a magnet (d) slides side to side
  22. 22.🔘 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
  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) Yes (b) No
  24. 24.What does a push button do? (a) flips up or down (b) springs back when let go (c) closes near a magnet (d) closes when tipped over
  25. 25.🔘 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 OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  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.True or false: a slide switch springs back when let go. (a) True (b) False
  28. 28.🔘 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) Yes (b) No
  29. 29.What does a slide switch do? (a) closes near a magnet (b) stays where you flip it (c) closes when tipped over (d) slides side to side
  30. 30.🔘 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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  31. 31.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a reed switch (c) a toggle switch (d) a slide switch
  32. 32.True or false: a push button flips up or down. (a) True (b) False
  33. 33.🔘 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
  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 ON and C is ON. Does the bulb glow? (a) Yes (b) No
  35. 35.🔘 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?
  36. 36.🔘 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
  37. 37.🔘 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) Yes (b) No
  38. 38.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a reed switch (c) a tilt switch (d) a push button
  39. 39.🔘 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
  40. 40.🔘 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?

Answer key

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

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