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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 167 · 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.🔘 What does a switch do in a circuit? (a) makes electricity (b) stores current (c) changes the voltage (d) opens or closes the loop
  2. 2.🔘 When a switch is ON, the circuit is … (a) cut (b) broken (c) closed (d) open
  3. 3.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a toggle switch (c) a slide switch (d) a reed switch
  4. 4.What does a reed switch do? (a) closes near a magnet (b) stays where you flip it (c) slides side to side (d) flips up or down
  5. 5.🔘 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
  6. 6.🔘 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?
  7. 7.True or false: a tilt switch springs back when let go. (a) True (b) False
  8. 8.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) when either is ON (c) only when both are OFF (d) never
  9. 9.True or false: a reed switch slides side to side. (a) False (b) True
  10. 10.True or false: a reed switch works only while pressed. (a) False (b) True
  11. 11.What does a tilt switch do? (a) works only while pressed (b) flips up or down (c) stays where you flip it (d) closes when tipped over
  12. 12.What does a toggle switch do? (a) springs back when let go (b) flips up or down (c) works only while pressed (d) slides side to side
  13. 13.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a push button (c) a toggle switch (d) a slide switch
  14. 14.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  15. 15.True or false: a reed switch closes near a magnet. (a) False (b) True
  16. 16.🔘 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
  17. 17.🔘 Which kind of switch closes near a magnet? (a) a reed switch (b) a slide switch (c) a toggle switch (d) a tilt switch
  18. 18.What does a push button do? (a) closes when tipped over (b) stays where you flip it (c) works only while pressed (d) closes near a magnet
  19. 19.🔘 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) Yes (b) No
  20. 20.🔘 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
  21. 21.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a push button (c) a toggle switch (d) a tilt switch
  22. 22.🔘 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
  23. 23.🔘 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
  24. 24.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a slide switch (c) a reed switch (d) a push button
  25. 25.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a slide switch (c) a reed switch (d) a push button
  26. 26.True or false: a toggle switch closes when tipped over. (a) True (b) False
  27. 27.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  28. 28.🔘 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
  29. 29.🔘 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
  30. 30.🔘 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
  31. 31.🔘 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
  32. 32.True or false: a reed switch closes when tipped over. (a) True (b) False
  33. 33.🔘 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 OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  34. 34.🔘 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
  35. 35.🔘 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
  36. 36.🔘 A bulb and a cell are joined through 2 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.🔘 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) No (b) Yes
  38. 38.True or false: a toggle switch works only while pressed. (a) False (b) True
  39. 39.True or false: a reed switch stays where you flip it. (a) True (b) False
  40. 40.True or false: a toggle switch springs back when let go. (a) True (b) False

Answer key

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

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