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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 334 · 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 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) Yes (b) No
  2. 2.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) changes the voltage (c) makes electricity (d) stores current
  3. 3.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a slide switch (c) a reed switch (d) a toggle switch
  4. 4.True or false: a push button closes near a magnet. (a) False (b) True
  5. 5.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a reed switch (c) a push button (d) a toggle switch
  6. 6.What does a tilt switch do? (a) stays where you flip it (b) closes near a magnet (c) closes when tipped over (d) springs back when let go
  7. 7.True or false: a slide switch stays where you flip it. (a) True (b) False
  8. 8.What does a reed switch do? (a) stays where you flip it (b) slides side to side (c) works only while pressed (d) closes near a magnet
  9. 9.🔘 Which kind of switch works only while pressed? (a) a push button (b) a toggle switch (c) a reed switch (d) a slide switch
  10. 10.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a slide switch (c) a toggle switch (d) a reed switch
  11. 11.True or false: a slide switch flips up or down. (a) False (b) True
  12. 12.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a slide switch (c) a toggle switch (d) a reed switch
  13. 13.True or false: a reed switch closes when tipped over. (a) True (b) False
  14. 14.🔘 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
  15. 15.🔘 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) Yes (b) No
  16. 16.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a reed switch (c) a slide switch (d) a push button
  17. 17.What does a push button do? (a) closes near a magnet (b) works only while pressed (c) stays where you flip it (d) closes when tipped over
  18. 18.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) only when both are ON (c) only when both are OFF (d) when either is ON
  19. 19.What does a toggle switch do? (a) closes when tipped over (b) springs back when let go (c) works only while pressed (d) stays where you flip it
  20. 20.🔘 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) Yes (b) No
  21. 21.What does a toggle switch do? (a) works only while pressed (b) closes near a magnet (c) slides side to side (d) flips up or down
  22. 22.What does a slide switch do? (a) closes near a magnet (b) flips up or down (c) springs back when let go (d) slides side to side
  23. 23.What does a push button do? (a) springs back when let go (b) closes near a magnet (c) slides side to side (d) flips up or down
  24. 24.🔘 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
  25. 25.🔘 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
  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 ON, B is ON, C is OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  27. 27.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are ON (c) never (d) when both are OFF
  28. 28.🔘 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
  29. 29.True or false: a push button flips up or down. (a) False (b) True
  30. 30.🔘 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
  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 OFF and B is ON. Does the bulb glow? (a) No (b) Yes
  32. 32.🔘 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?
  33. 33.🔘 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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  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.🔘 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
  36. 36.🔘 When a switch is ON, the circuit is … (a) broken (b) open (c) closed (d) cut
  37. 37.🔘 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
  38. 38.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  39. 39.🔘 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
  40. 40.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes

Answer key

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

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