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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 116 · 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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  2. 2.🔘 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?
  3. 3.🔘 When a switch is ON, the circuit is … (a) cut (b) broken (c) closed (d) open
  4. 4.What does a tilt switch do? (a) stays where you flip it (b) works only while pressed (c) closes when tipped over (d) slides side to side
  5. 5.What does a toggle switch do? (a) flips up or down (b) springs back when let go (c) closes near a magnet (d) works only while pressed
  6. 6.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) only when both are ON (c) when either is ON (d) never
  7. 7.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when both are ON (c) when either is ON (d) when both are OFF
  8. 8.True or false: a toggle switch stays where you flip it. (a) False (b) True
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  10. 10.True or false: a reed switch springs back when let go. (a) False (b) True
  11. 11.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  12. 12.True or false: a slide switch slides side to side. (a) True (b) False
  13. 13.What does a reed switch do? (a) stays where you flip it (b) works only while pressed (c) closes near a magnet (d) flips up or down
  14. 14.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a slide switch (c) a push button (d) a reed switch
  15. 15.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  16. 16.🔘 A bulb and a cell are joined through 5 switches on 5 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?
  17. 17.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a slide switch (c) a push button (d) a reed switch
  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) Yes (b) No
  19. 19.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a slide switch (c) a push button (d) a toggle switch
  20. 20.🔘 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
  21. 21.What does a toggle switch do? (a) stays where you flip it (b) works only while pressed (c) slides side to side (d) closes near a magnet
  22. 22.What does a slide switch do? (a) stays where you flip it (b) springs back when let go (c) closes when tipped over (d) slides side to side
  23. 23.True or false: a slide switch stays where you flip it. (a) True (b) False
  24. 24.🔘 A bulb and a cell are joined through 2 switches on 2 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?
  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 ON and C is ON. Does the bulb glow? (a) Yes (b) No
  26. 26.True or false: a push button closes when tipped over. (a) True (b) False
  27. 27.🔘 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
  28. 28.🔘 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) No (b) Yes
  29. 29.True or false: a push button works only while pressed. (a) False (b) True
  30. 30.🔘 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 OFF, C is OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  31. 31.What does a push button do? (a) closes near a magnet (b) closes when tipped over (c) springs back when let go (d) flips up or down
  32. 32.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  33. 33.🔘 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?
  34. 34.🔘 Which kind of switch closes near a magnet? (a) a reed switch (b) a push button (c) a slide switch (d) a toggle switch
  35. 35.🔘 Which kind of switch works only while pressed? (a) a push button (b) a tilt switch (c) a slide switch (d) a toggle switch
  36. 36.🔘 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
  37. 37.🔘 Which kind of switch springs back when let go? (a) a push button (b) a reed switch (c) a tilt switch (d) a toggle switch
  38. 38.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) stores current (c) makes electricity (d) changes the voltage
  39. 39.🔘 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?
  40. 40.True or false: a reed switch closes near a magnet. (a) True (b) False

Answer key

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

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