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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 365 · 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 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
  2. 2.🔘 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
  3. 3.🔘 When a switch is ON, the circuit is … (a) cut (b) open (c) closed (d) broken
  4. 4.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a push button (c) a reed switch (d) a toggle switch
  5. 5.🔘 What does a switch do in a circuit? (a) changes the voltage (b) stores current (c) makes electricity (d) opens or closes the loop
  6. 6.True or false: a reed switch closes near a magnet. (a) True (b) False
  7. 7.What does a slide switch do? (a) flips up or down (b) slides side to side (c) works only while pressed (d) closes near a magnet
  8. 8.🔘 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?
  9. 9.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a slide switch (c) a reed switch (d) a push button
  10. 10.True or false: a push button springs back when let go. (a) False (b) True
  11. 11.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a push button (c) a slide switch (d) a reed switch
  12. 12.🔘 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
  13. 13.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a toggle switch (c) a slide switch (d) a reed switch
  14. 14.What does a reed switch do? (a) flips up or down (b) works only while pressed (c) slides side to side (d) closes near a magnet
  15. 15.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) never (c) when both are ON (d) when both are OFF
  16. 16.🔘 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
  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.True or false: a slide switch flips up or down. (a) False (b) True
  20. 20.True or false: a tilt switch springs back when let go. (a) True (b) False
  21. 21.🔘 Which kind of switch works only while pressed? (a) a push button (b) a slide switch (c) a toggle switch (d) a tilt switch
  22. 22.🔘 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?
  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 ON. Does the bulb glow? (a) Yes (b) No
  24. 24.True or false: a tilt switch works only while pressed. (a) True (b) False
  25. 25.🔘 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) Yes (b) No
  26. 26.True or false: a slide switch slides side to side. (a) False (b) True
  27. 27.🔘 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 OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  29. 29.What does a toggle switch do? (a) works only while pressed (b) springs back when let go (c) closes near a magnet (d) flips up or down
  30. 30.🔘 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 ON and D is ON. Does the bulb glow? (a) No (b) Yes
  31. 31.🔘 Which kind of switch flips up or down? (a) a push button (b) a toggle switch (c) a reed switch (d) a slide switch
  32. 32.🔘 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 OFF, C is ON and D is ON. Does the bulb glow? (a) No (b) Yes
  33. 33.🔘 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
  34. 34.🔘 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) Yes (b) No
  35. 35.True or false: a reed switch flips up or down. (a) True (b) False
  36. 36.What does a push button do? (a) springs back when let go (b) closes near a magnet (c) stays where you flip it (d) slides side to side
  37. 37.What does a push button do? (a) stays where you flip it (b) works only while pressed (c) flips up or down (d) closes near a magnet
  38. 38.What does a tilt switch do? (a) works only while pressed (b) springs back when let go (c) closes when tipped over (d) stays where you flip it
  39. 39.What does a toggle switch do? (a) stays where you flip it (b) closes near a magnet (c) springs back when let go (d) closes when tipped over
  40. 40.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) never (c) only when both are OFF (d) when either is ON

Answer key

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

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