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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 53 · 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.🔘 When a switch is ON, the circuit is … (a) open (b) closed (c) broken (d) cut
  2. 2.🔘 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
  3. 3.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a toggle switch (c) a reed switch (d) a slide switch
  4. 4.What does a toggle switch do? (a) stays where you flip it (b) springs back when let go (c) works only while pressed (d) closes near a magnet
  5. 5.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a slide switch (c) a tilt switch (d) a reed switch
  6. 6.🔘 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
  7. 7.🔘 Which kind of switch closes when tipped over? (a) a push button (b) a tilt switch (c) a reed switch (d) a toggle switch
  8. 8.🔘 What does a switch do in a circuit? (a) changes the voltage (b) makes electricity (c) opens or closes the loop (d) stores current
  9. 9.🔘 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
  10. 10.True or false: a push button slides side to side. (a) True (b) False
  11. 11.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a slide switch (c) a tilt switch (d) a push button
  12. 12.🔘 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
  13. 13.True or false: a reed switch works only while pressed. (a) False (b) True
  14. 14.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) only when both are OFF (c) never (d) when either is ON
  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 OFF, B is ON and C is ON. Does the bulb glow? (a) Yes (b) No
  16. 16.True or false: a push button works only while pressed. (a) True (b) False
  17. 17.🔘 Which kind of switch slides side to side? (a) a push button (b) a slide switch (c) a toggle switch (d) a reed switch
  18. 18.True or false: a reed switch closes when tipped over. (a) True (b) False
  19. 19.True or false: a toggle switch slides side to side. (a) False (b) True
  20. 20.🔘 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
  21. 21.What does a reed switch do? (a) stays where you flip it (b) closes near a magnet (c) closes when tipped over (d) works only while pressed
  22. 22.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  23. 23.What does a slide switch do? (a) slides side to side (b) springs back when let go (c) works only while pressed (d) closes when tipped over
  24. 24.True or false: a toggle switch closes when tipped over. (a) True (b) False
  25. 25.True or false: a tilt switch works only while pressed. (a) False (b) True
  26. 26.🔘 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
  27. 27.🔘 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) No (b) Yes
  28. 28.What does a tilt switch do? (a) springs back when let go (b) closes when tipped over (c) closes near a magnet (d) works only while pressed
  29. 29.What does a push button do? (a) closes when tipped over (b) stays where you flip it (c) works only while pressed (d) closes near a magnet
  30. 30.True or false: a toggle switch flips up or down. (a) False (b) True
  31. 31.🔘 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
  32. 32.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
  33. 33.🔘 Which kind of switch flips up or down? (a) a tilt switch (b) a reed switch (c) a push button (d) a toggle switch
  34. 34.🔘 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
  35. 35.🔘 Which kind of switch works only while pressed? (a) a slide switch (b) a tilt switch (c) a push button (d) a toggle switch
  36. 36.🔘 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) Yes (b) No
  37. 37.🔘 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
  38. 38.🔘 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
  39. 39.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  40. 40.🔘 A bulb and a cell are joined through 5 switches on 5 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?

Answer key

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

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