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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 662 · 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.🔘 What does a switch do in a circuit? (a) makes electricity (b) stores current (c) changes the voltage (d) opens or closes the loop
  2. 2.True or false: a toggle switch flips up or down. (a) False (b) True
  3. 3.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a tilt switch (c) a reed switch (d) a push button
  4. 4.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) never (c) only when both are OFF (d) only when both are ON
  5. 5.🔘 A bulb and a cell are joined through 3 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  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 OFF. Does the bulb glow? (a) No (b) Yes
  7. 7.True or false: a toggle switch slides side to side. (a) True (b) False
  8. 8.What does a tilt switch do? (a) springs back when let go (b) closes when tipped over (c) flips up or down (d) works only while pressed
  9. 9.🔘 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
  10. 10.🔘 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) No (b) Yes
  11. 11.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a toggle switch (c) a push button (d) a tilt switch
  12. 12.What does a reed switch do? (a) closes when tipped over (b) flips up or down (c) closes near a magnet (d) stays where you flip it
  13. 13.🔘 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
  14. 14.🔘 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) Yes (b) No
  15. 15.🔘 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) Yes (b) No
  16. 16.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a tilt switch (c) a slide switch (d) a toggle switch
  17. 17.🔘 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
  18. 18.🔘 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
  19. 19.🔘 When a switch is ON, the circuit is … (a) broken (b) closed (c) open (d) cut
  20. 20.🔘 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
  21. 21.🔘 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?
  22. 22.🔘 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) Yes (b) No
  23. 23.What does a slide switch do? (a) works only while pressed (b) slides side to side (c) springs back when let go (d) stays where you flip it
  24. 24.🔘 Which kind of switch closes when tipped over? (a) a reed switch (b) a tilt switch (c) a slide switch (d) a toggle switch
  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 OFF. Does the bulb glow? (a) Yes (b) No
  26. 26.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a toggle switch (c) a push button (d) a slide switch
  27. 27.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  28. 28.What does a toggle switch do? (a) closes near a magnet (b) works only while pressed (c) stays where you flip it (d) springs back when let go
  29. 29.🔘 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?
  30. 30.🔘 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
  31. 31.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a toggle switch (c) a slide switch (d) a push button
  32. 32.What does a push button do? (a) flips up or down (b) closes when tipped over (c) stays where you flip it (d) springs back when let go
  33. 33.True or false: a slide switch flips up or down. (a) False (b) True
  34. 34.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  35. 35.🔘 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
  36. 36.🔘 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) Yes (b) No
  37. 37.🔘 Which kind of switch springs back when let go? (a) a push button (b) a slide switch (c) a toggle switch (d) a tilt switch
  38. 38.🔘 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
  39. 39.True or false: a toggle switch springs back when let go. (a) True (b) False
  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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No

Answer key

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

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