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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 679 · 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.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when either is ON (c) when both are ON (d) never
  2. 2.What does a tilt switch do? (a) closes near a magnet (b) closes when tipped over (c) flips up or down (d) stays where you flip it
  3. 3.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a slide switch (c) a toggle switch (d) a tilt switch
  4. 4.🔘 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 OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  5. 5.🔘 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
  6. 6.🔘 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 OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  7. 7.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a tilt switch (c) a reed switch (d) a push button
  8. 8.🔘 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
  9. 9.What does a reed switch do? (a) flips up or down (b) springs back when let go (c) stays where you flip it (d) closes near a magnet
  10. 10.True or false: a toggle switch flips up or down. (a) True (b) False
  11. 11.🔘 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
  12. 12.True or false: a push button works only while pressed. (a) False (b) True
  13. 13.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a tilt switch (c) a toggle switch (d) a push button
  14. 14.🔘 What does a switch do in a circuit? (a) changes the voltage (b) opens or closes the loop (c) stores current (d) makes electricity
  15. 15.What does a toggle switch do? (a) closes near a magnet (b) slides side to side (c) flips up or down (d) works only while pressed
  16. 16.What does a slide switch do? (a) closes when tipped over (b) stays where you flip it (c) closes near a magnet (d) slides side to side
  17. 17.🔘 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) Yes (b) No
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  19. 19.🔘 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
  20. 20.🔘 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) No (b) Yes
  21. 21.What does a push button do? (a) closes when tipped over (b) works only while pressed (c) slides side to side (d) flips up or down
  22. 22.🔘 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) Yes (b) No
  23. 23.🔘 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) Yes (b) No
  24. 24.🔘 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
  25. 25.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a tilt switch (c) a slide switch (d) a reed switch
  26. 26.🔘 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
  27. 27.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a reed switch (c) a push button (d) a slide 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 OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  29. 29.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a toggle switch (c) a tilt switch (d) a slide switch
  30. 30.🔘 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
  31. 31.True or false: a push button springs back when let go. (a) True (b) False
  32. 32.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a reed switch (c) a tilt switch (d) a toggle switch
  33. 33.🔘 When a switch is ON, the circuit is … (a) closed (b) cut (c) broken (d) open
  34. 34.🔘 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?
  35. 35.🔘 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 OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  36. 36.🔘 A bulb and a cell are joined through 3 switches on 3 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?
  37. 37.What does a toggle switch do? (a) closes near a magnet (b) slides side to side (c) stays where you flip it (d) works only while pressed
  38. 38.True or false: a push button slides side to side. (a) False (b) True
  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 OFF. Does the bulb glow? (a) No (b) Yes
  40. 40.🔘 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

Answer key

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

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