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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 148 · 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.True or false: a slide switch slides side to side. (a) False (b) True
  2. 2.What does a slide switch do? (a) works only while pressed (b) springs back when let go (c) flips up or down (d) slides side to side
  3. 3.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  4. 4.🔘 Which kind of switch springs back when let go? (a) a reed switch (b) a slide switch (c) a push button (d) a tilt switch
  5. 5.🔘 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) No (b) Yes
  6. 6.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  7. 7.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a tilt switch (c) a toggle switch (d) a slide switch
  8. 8.🔘 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 ON and D is ON. Does the bulb glow? (a) No (b) Yes
  9. 9.What does a tilt switch do? (a) closes near a magnet (b) slides side to side (c) springs back when let go (d) closes when tipped over
  10. 10.🔘 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?
  11. 11.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) changes the voltage (c) makes electricity (d) stores current
  12. 12.🔘 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 OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  13. 13.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) when both are OFF (c) never (d) when either is ON
  14. 14.🔘 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
  15. 15.True or false: a tilt switch works only while pressed. (a) False (b) True
  16. 16.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a tilt switch
  17. 17.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a toggle switch (c) a tilt switch (d) a reed switch
  18. 18.🔘 When a switch is ON, the circuit is … (a) cut (b) open (c) broken (d) closed
  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 OFF. Does the bulb glow? (a) Yes (b) No
  20. 20.🔘 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) Yes (b) No
  21. 21.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  22. 22.What does a toggle switch do? (a) closes near a magnet (b) works only while pressed (c) slides side to side (d) stays where you flip it
  23. 23.True or false: a reed switch stays where you flip it. (a) True (b) False
  24. 24.🔘 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) No (b) Yes
  25. 25.🔘 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
  26. 26.🔘 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?
  27. 27.What does a push button do? (a) closes when tipped over (b) works only while pressed (c) flips up or down (d) stays where you flip it
  28. 28.True or false: a push button springs back when let go. (a) False (b) True
  29. 29.🔘 Which kind of switch closes near a magnet? (a) a reed switch (b) a tilt switch (c) a push button (d) a toggle switch
  30. 30.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a reed switch (c) a slide switch (d) a tilt switch
  31. 31.🔘 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
  32. 32.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a slide switch (c) a push button (d) a tilt switch
  33. 33.🔘 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
  34. 34.🔘 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
  35. 35.🔘 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?
  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 ON and B is ON. Does the bulb glow? (a) No (b) Yes
  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 OFF, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  38. 38.True or false: a slide switch springs back when let go. (a) False (b) True
  39. 39.What does a reed switch do? (a) closes near a magnet (b) works only while pressed (c) springs back when let go (d) stays where you flip it
  40. 40.🔘 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

Answer key

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

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