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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 166 · 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 flips up or down? (a) a toggle switch (b) a push button (c) a reed switch (d) a tilt switch
  2. 2.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) never (c) when both are ON (d) when both are OFF
  3. 3.🔘 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) only when both are OFF (d) never
  4. 4.🔘 What does a switch do in a circuit? (a) changes the voltage (b) opens or closes the loop (c) makes electricity (d) stores current
  5. 5.🔘 When a switch is ON, the circuit is … (a) broken (b) open (c) cut (d) closed
  6. 6.What does a toggle switch do? (a) works only while pressed (b) springs back when let go (c) flips up or down (d) closes when tipped over
  7. 7.🔘 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
  8. 8.🔘 Which kind of switch works only while pressed? (a) a push button (b) a toggle switch (c) a reed switch (d) a slide switch
  9. 9.🔘 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) Yes (b) No
  10. 10.🔘 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) No (b) Yes
  11. 11.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a push button (c) a toggle switch (d) a reed switch
  12. 12.🔘 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?
  13. 13.🔘 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
  14. 14.🔘 Which kind of switch slides side to side? (a) a reed switch (b) a push button (c) a slide switch (d) a tilt 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 ON. Does the bulb glow? (a) No (b) Yes
  16. 16.What does a push button do? (a) slides side to side (b) closes near a magnet (c) springs back when let go (d) closes when tipped over
  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 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 ON. Does the bulb glow? (a) Yes (b) No
  19. 19.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a push button (c) a toggle switch (d) a reed switch
  20. 20.What does a tilt switch do? (a) closes near a magnet (b) flips up or down (c) works only while pressed (d) closes when tipped over
  21. 21.True or false: a reed switch flips up or down. (a) False (b) True
  22. 22.🔘 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
  23. 23.🔘 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
  24. 24.What does a slide switch do? (a) springs back when let go (b) closes near a magnet (c) works only while pressed (d) slides side to side
  25. 25.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a tilt switch (c) a push button (d) a reed switch
  26. 26.🔘 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) No (b) Yes
  27. 27.True or false: a slide switch slides side to side. (a) True (b) False
  28. 28.🔘 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) No (b) Yes
  29. 29.What does a push button do? (a) stays where you flip it (b) closes when tipped over (c) works only while pressed (d) closes near a magnet
  30. 30.True or false: a tilt switch works only while pressed. (a) True (b) False
  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) Yes (b) No
  32. 32.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  33. 33.What does a toggle switch do? (a) closes when tipped over (b) springs back when let go (c) stays where you flip it (d) slides side to side
  34. 34.🔘 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
  35. 35.🔘 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) No (b) Yes
  36. 36.What does a reed switch do? (a) springs back when let go (b) stays where you flip it (c) slides side to side (d) closes near a magnet
  37. 37.True or false: a reed switch closes near a magnet. (a) False (b) True
  38. 38.True or false: a push button closes when tipped over. (a) True (b) False
  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 ON, B is OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  40. 40.🔘 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 ON and D is OFF. Does the bulb glow? (a) Yes (b) No

Answer key

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

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