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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 744 · 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.True or false: a tilt switch closes when tipped over. (a) False (b) True
  2. 2.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a push button (c) a toggle switch (d) a slide switch
  3. 3.What does a tilt switch do? (a) flips up or down (b) works only while pressed (c) stays where you flip it (d) closes when tipped over
  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 ON, C is OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  5. 5.What does a reed switch do? (a) slides side to side (b) closes near a magnet (c) works only while pressed (d) springs back when let go
  6. 6.🔘 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
  7. 7.What does a toggle switch do? (a) works only while pressed (b) flips up or down (c) slides side to side (d) closes when tipped over
  8. 8.True or false: a reed switch stays where you flip it. (a) False (b) True
  9. 9.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) never (c) when either is ON (d) when both are ON
  10. 10.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) only when both are ON (c) when either is ON (d) only when both are OFF
  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 OFF, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  12. 12.🔘 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) No (b) Yes
  13. 13.🔘 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?
  14. 14.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a toggle switch (c) a tilt switch (d) a push button
  15. 15.What does a push button do? (a) closes when tipped over (b) works only while pressed (c) slides side to side (d) stays where you flip it
  16. 16.🔘 What does a switch do in a circuit? (a) makes electricity (b) opens or closes the loop (c) stores current (d) changes the voltage
  17. 17.🔘 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
  18. 18.🔘 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
  19. 19.What does a toggle switch do? (a) works only while pressed (b) closes near a magnet (c) stays where you flip it (d) springs back when let go
  20. 20.🔘 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
  21. 21.🔘 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
  22. 22.True or false: a tilt switch stays where you flip it. (a) True (b) False
  23. 23.🔘 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?
  24. 24.🔘 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) 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 OFF and B is ON. Does the bulb glow? (a) Yes (b) No
  26. 26.What does a slide switch do? (a) closes when tipped over (b) works only while pressed (c) slides side to side (d) flips up or down
  27. 27.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  28. 28.True or false: a push button stays where you flip it. (a) False (b) True
  29. 29.What does a push button do? (a) flips up or down (b) springs back when let go (c) closes when tipped over (d) closes near a magnet
  30. 30.🔘 When a switch is ON, the circuit is … (a) cut (b) broken (c) closed (d) open
  31. 31.True or false: a push button closes near a magnet. (a) False (b) True
  32. 32.🔘 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
  33. 33.🔘 Which kind of switch closes near a magnet? (a) a tilt switch (b) a slide switch (c) a reed switch (d) a push button
  34. 34.True or false: a slide switch closes near a magnet. (a) False (b) True
  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 ON. Does the bulb glow? (a) Yes (b) No
  36. 36.🔘 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?
  37. 37.🔘 A bulb and a cell are joined through 6 switches on 6 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?
  38. 38.🔘 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
  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 ON, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  40. 40.True or false: a push button works only while pressed. (a) True (b) False

Answer key

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

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