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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 847 · 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 push button (b) a reed switch (c) a tilt switch (d) a toggle switch
  2. 2.🔘 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
  3. 3.True or false: a reed switch works only while pressed. (a) True (b) False
  4. 4.What does a push button do? (a) slides side to side (b) closes near a magnet (c) flips up or down (d) springs back when let go
  5. 5.🔘 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
  6. 6.🔘 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) No (b) Yes
  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 OFF. Does the bulb glow? (a) Yes (b) No
  8. 8.True or false: a toggle switch works only while pressed. (a) False (b) True
  9. 9.What does a slide switch do? (a) works only while pressed (b) stays where you flip it (c) closes near a magnet (d) slides side to side
  10. 10.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a tilt switch (c) a slide switch (d) a reed switch
  11. 11.What does a toggle switch do? (a) closes when tipped over (b) springs back when let go (c) works only while pressed (d) flips up or down
  12. 12.🔘 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
  13. 13.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a tilt switch (c) a push button (d) a toggle switch
  14. 14.What does a tilt switch do? (a) closes when tipped over (b) stays where you flip it (c) flips up or down (d) springs back when let go
  15. 15.🔘 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?
  16. 16.True or false: a push button flips up or down. (a) False (b) True
  17. 17.🔘 When a switch is ON, the circuit is … (a) closed (b) broken (c) cut (d) open
  18. 18.🔘 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
  19. 19.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  20. 20.🔘 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) No (b) Yes
  21. 21.🔘 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
  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 ON, B is ON, C is OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  23. 23.🔘 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 OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  24. 24.True or false: a slide switch slides side to side. (a) False (b) True
  25. 25.🔘 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) Yes (b) No
  26. 26.🔘 What does a switch do in a circuit? (a) makes electricity (b) changes the voltage (c) opens or closes the loop (d) stores current
  27. 27.🔘 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) Yes (b) No
  28. 28.True or false: a reed switch closes near a magnet. (a) False (b) True
  29. 29.🔘 A bulb and a cell are joined through 4 switches on 4 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?
  30. 30.True or false: a slide switch flips up or down. (a) False (b) True
  31. 31.True or false: a reed switch flips up or down. (a) False (b) True
  32. 32.🔘 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) Yes (b) No
  33. 33.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when both are OFF (c) when either is ON (d) when both are ON
  34. 34.🔘 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) 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 OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  36. 36.What does a toggle switch do? (a) closes near a magnet (b) closes when tipped over (c) stays where you flip it (d) works only while pressed
  37. 37.What does a reed switch do? (a) closes when tipped over (b) stays where you flip it (c) springs back when let go (d) closes near a magnet
  38. 38.🔘 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) Yes (b) No
  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.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a push button

Answer key

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

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