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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 853 · 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 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
  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) closed (b) broken (c) open (d) cut
  4. 4.🔘 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 ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  5. 5.🔘 Which kind of switch springs back when let go? (a) a reed switch (b) a push button (c) a toggle switch (d) a slide switch
  6. 6.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a push button
  7. 7.What does a reed switch do? (a) closes near a magnet (b) stays where you flip it (c) slides side to side (d) works only while pressed
  8. 8.🔘 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) No (b) Yes
  9. 9.True or false: a tilt switch closes near a magnet. (a) False (b) True
  10. 10.What does a toggle switch do? (a) works only while pressed (b) springs back when let go (c) slides side to side (d) flips up or down
  11. 11.🔘 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) No (b) Yes
  12. 12.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a tilt switch (c) a push button (d) a slide switch
  13. 13.🔘 What does a switch do in a circuit? (a) stores current (b) changes the voltage (c) makes electricity (d) opens or closes the loop
  14. 14.🔘 Which kind of switch closes near a magnet? (a) a reed switch (b) a tilt switch (c) a toggle switch (d) a push button
  15. 15.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a toggle switch (c) a push button (d) a tilt switch
  16. 16.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a tilt switch (c) a slide switch (d) a reed switch
  17. 17.True or false: a toggle switch stays where you flip it. (a) False (b) True
  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 OFF. Does the bulb glow? (a) No (b) Yes
  19. 19.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  20. 20.🔘 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
  21. 21.True or false: a toggle switch springs back when let go. (a) True (b) False
  22. 22.True or false: a tilt switch stays where you flip it. (a) False (b) True
  23. 23.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) only when both are ON (c) never (d) only when both are OFF
  24. 24.What does a tilt switch do? (a) closes near a magnet (b) closes when tipped over (c) flips up or down (d) works only while pressed
  25. 25.What does a toggle switch do? (a) works only while pressed (b) stays where you flip it (c) closes near a magnet (d) slides side to side
  26. 26.True or false: a push button stays where you flip it. (a) True (b) False
  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 OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  28. 28.What does a slide switch do? (a) slides side to side (b) works only while pressed (c) flips up or down (d) closes when tipped over
  29. 29.🔘 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
  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 ON, B is OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  31. 31.🔘 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
  32. 32.True or false: a push button closes near a magnet. (a) False (b) True
  33. 33.What does a push button do? (a) closes near a magnet (b) flips up or down (c) slides side to side (d) springs back when let go
  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 ON, B is OFF, C is ON and D is ON. Does the bulb glow? (a) No (b) Yes
  35. 35.🔘 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?
  36. 36.🔘 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 ON, B is OFF, C is ON and D is OFF. Does the bulb glow? (a) Yes (b) No
  37. 37.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are OFF (c) when both are ON (d) never
  38. 38.🔘 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?
  39. 39.🔘 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
  40. 40.🔘 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

Answer key

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

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