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Electronics Worksheet: Switches in a Circuit

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

Answer key

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

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