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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 657 · 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.🔘 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) No (b) Yes
  2. 2.True or false: a reed switch stays where you flip it. (a) True (b) False
  3. 3.🔘 Which kind of switch springs back when let go? (a) a push button (b) a reed switch (c) a slide switch (d) a toggle switch
  4. 4.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
  5. 5.🔘 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) No (b) Yes
  6. 6.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a reed switch (c) a push button (d) a slide switch
  7. 7.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  8. 8.🔘 When a switch is ON, the circuit is … (a) broken (b) closed (c) open (d) cut
  9. 9.What does a toggle switch do? (a) works only while pressed (b) closes near a magnet (c) closes when tipped over (d) stays where you flip it
  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 ON, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  11. 11.What does a tilt switch do? (a) closes when tipped over (b) flips up or down (c) stays where you flip it (d) works only while pressed
  12. 12.What does a push button do? (a) springs back when let go (b) closes when tipped over (c) flips up or down (d) slides side to side
  13. 13.🔘 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?
  14. 14.🔘 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
  15. 15.True or false: a tilt switch stays where you flip it. (a) True (b) False
  16. 16.🔘 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
  17. 17.🔘 Which kind of switch works only while pressed? (a) a push button (b) a slide switch (c) a tilt switch (d) a toggle switch
  18. 18.True or false: a reed switch closes near a magnet. (a) True (b) False
  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 ON and C is ON. 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.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a toggle switch (c) a reed switch (d) a slide switch
  22. 22.🔘 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?
  23. 23.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) changes the voltage (c) makes electricity (d) stores current
  24. 24.🔘 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) No (b) Yes
  25. 25.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  26. 26.🔘 Which kind of switch closes near a magnet? (a) a tilt switch (b) a slide switch (c) a reed switch (d) a toggle switch
  27. 27.🔘 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 OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  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 OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  29. 29.🔘 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) No (b) Yes
  30. 30.What does a slide switch do? (a) closes when tipped over (b) springs back when let go (c) stays where you flip it (d) slides side to side
  31. 31.🔘 A bulb and a cell are joined through 2 switches on 2 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?
  32. 32.True or false: a push button slides side to side. (a) True (b) False
  33. 33.What does a toggle switch do? (a) flips up or down (b) closes near a magnet (c) works only while pressed (d) closes when tipped over
  34. 34.🔘 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
  35. 35.🔘 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
  36. 36.🔘 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
  37. 37.True or false: a toggle switch stays where you flip it. (a) False (b) True
  38. 38.🔘 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?
  39. 39.🔘 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 OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  40. 40.🔘 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

Answer key

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

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