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Electronics Worksheet: Switches in a Circuit

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

Answer key

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

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