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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 789 · 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 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?
  2. 2.True or false: a tilt switch stays where you flip it. (a) True (b) False
  3. 3.What does a tilt switch do? (a) stays where you flip it (b) closes near a magnet (c) closes when tipped over (d) slides side to side
  4. 4.🔘 Which kind of switch flips up or down? (a) a push button (b) a reed switch (c) a toggle switch (d) a slide switch
  5. 5.🔘 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
  6. 6.What does a toggle switch do? (a) springs back when let go (b) closes when tipped over (c) stays where you flip it (d) slides side to side
  7. 7.🔘 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
  8. 8.🔘 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?
  9. 9.What does a slide switch do? (a) closes near a magnet (b) closes when tipped over (c) slides side to side (d) flips up or down
  10. 10.🔘 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
  11. 11.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) changes the voltage (c) stores current (d) makes electricity
  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) No (b) Yes
  13. 13.🔘 Which kind of switch slides side to side? (a) a push button (b) a toggle switch (c) a reed switch (d) a slide switch
  14. 14.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a toggle switch (c) a tilt switch (d) a reed switch
  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 ON, B is ON and C is ON. Does the bulb glow? (a) No (b) Yes
  16. 16.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) only when both are OFF (c) when either is ON (d) only when both are ON
  17. 17.True or false: a tilt switch slides side to side. (a) True (b) False
  18. 18.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  19. 19.🔘 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
  20. 20.🔘 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
  21. 21.🔘 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) Yes (b) No
  22. 22.🔘 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?
  23. 23.🔘 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?
  24. 24.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a tilt switch (c) a slide switch (d) a push button
  25. 25.🔘 Which kind of switch springs back when let go? (a) a push button (b) a slide switch (c) a tilt switch (d) a reed switch
  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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  27. 27.🔘 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
  28. 28.🔘 When a switch is ON, the circuit is … (a) cut (b) broken (c) open (d) closed
  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 OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  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 ON, B is ON, C is OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  31. 31.🔘 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
  32. 32.True or false: a slide switch slides side to side. (a) True (b) False
  33. 33.What does a push button do? (a) stays where you flip it (b) springs back when let go (c) closes when tipped over (d) slides side to side
  34. 34.What does a reed switch do? (a) stays where you flip it (b) flips up or down (c) closes near a magnet (d) springs back when let go
  35. 35.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a toggle switch (c) a reed switch (d) a push button
  36. 36.🔘 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
  37. 37.What does a toggle switch do? (a) springs back when let go (b) closes when tipped over (c) flips up or down (d) closes near a magnet
  38. 38.🔘 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) No (b) Yes
  39. 39.🔘 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
  40. 40.What does a push button do? (a) flips up or down (b) closes near a magnet (c) slides side to side (d) works only while pressed

Answer key

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

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