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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 285 · 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 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 OFF. Does the bulb glow? (a) Yes (b) No
  2. 2.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a push button (c) a slide switch (d) a tilt switch
  3. 3.🔘 Which kind of switch closes near a magnet? (a) a reed switch (b) a slide switch (c) a tilt switch (d) a toggle switch
  4. 4.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  5. 5.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when either is ON (c) never (d) when both are ON
  6. 6.True or false: a toggle switch stays where you flip it. (a) False (b) True
  7. 7.True or false: a reed switch closes near a magnet. (a) True (b) False
  8. 8.What does a tilt switch do? (a) stays where you flip it (b) works only while pressed (c) closes near a magnet (d) closes when tipped over
  9. 9.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a push button (c) a toggle switch (d) a reed switch
  10. 10.🔘 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?
  11. 11.🔘 A bulb and a cell are joined through 6 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  12. 12.🔘 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
  13. 13.🔘 When a switch is ON, the circuit is … (a) broken (b) open (c) cut (d) closed
  14. 14.🔘 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?
  15. 15.What does a toggle switch do? (a) slides side to side (b) closes near a magnet (c) stays where you flip it (d) works only while pressed
  16. 16.🔘 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
  17. 17.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) stores current (c) changes the voltage (d) makes electricity
  18. 18.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  19. 19.🔘 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
  20. 20.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a slide switch (c) a push button (d) a tilt switch
  21. 21.What does a reed switch do? (a) closes when tipped over (b) springs back when let go (c) flips up or down (d) closes near a magnet
  22. 22.True or false: a reed switch closes when tipped over. (a) False (b) True
  23. 23.🔘 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 OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  24. 24.True or false: a reed switch slides side to side. (a) True (b) False
  25. 25.What does a push button do? (a) stays where you flip it (b) closes when tipped over (c) springs back when let go (d) flips up or down
  26. 26.🔘 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
  27. 27.True or false: a push button slides side to side. (a) True (b) False
  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 ON. Does the bulb glow? (a) No (b) Yes
  29. 29.What does a push button do? (a) flips up or down (b) closes when tipped over (c) slides side to side (d) works only while pressed
  30. 30.True or false: a push button springs back when let go. (a) True (b) False
  31. 31.🔘 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
  32. 32.🔘 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) No (b) Yes
  33. 33.🔘 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
  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) No (b) Yes
  35. 35.True or false: a slide switch slides side to side. (a) True (b) False
  36. 36.What does a slide switch do? (a) slides side to side (b) flips up or down (c) closes near a magnet (d) closes when tipped over
  37. 37.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a slide switch (c) a tilt switch (d) a reed switch
  38. 38.🔘 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
  39. 39.🔘 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?
  40. 40.True or false: a tilt switch closes when tipped over. (a) True (b) False

Answer key

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

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