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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 726 · 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.🔘 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
  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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  3. 3.What does a toggle switch do? (a) closes when tipped over (b) closes near a magnet (c) flips up or down (d) slides side to side
  4. 4.🔘 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
  5. 5.What does a tilt switch do? (a) flips up or down (b) stays where you flip it (c) works only while pressed (d) closes when tipped over
  6. 6.What does a reed switch do? (a) closes when tipped over (b) works only while pressed (c) flips up or down (d) closes near a magnet
  7. 7.🔘 Which kind of switch works only while pressed? (a) a push button (b) a reed switch (c) a toggle switch (d) a tilt switch
  8. 8.True or false: a push button flips up or down. (a) False (b) True
  9. 9.What does a toggle switch do? (a) slides side to side (b) works only while pressed (c) closes when tipped over (d) stays where you flip it
  10. 10.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) never (c) when both are OFF (d) when either is ON
  11. 11.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a push button (c) a slide switch (d) a toggle switch
  12. 12.True or false: a toggle switch slides side to side. (a) True (b) False
  13. 13.🔘 Which kind of switch closes when tipped over? (a) a push button (b) a slide switch (c) a tilt switch (d) a toggle switch
  14. 14.True or false: a push button slides side to side. (a) True (b) False
  15. 15.What does a push button do? (a) slides side to side (b) springs back when let go (c) flips up or down (d) stays where you flip it
  16. 16.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  17. 17.True or false: a tilt switch closes when tipped over. (a) False (b) True
  18. 18.True or false: a reed switch springs back when let go. (a) False (b) True
  19. 19.🔘 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
  20. 20.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a slide switch (c) a reed switch (d) a push button
  21. 21.🔘 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?
  22. 22.🔘 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
  23. 23.🔘 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?
  24. 24.🔘 When a switch is ON, the circuit is … (a) open (b) cut (c) closed (d) broken
  25. 25.🔘 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
  26. 26.🔘 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) No (b) Yes
  27. 27.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) makes electricity (c) stores current (d) changes the voltage
  28. 28.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a reed switch (c) a push button (d) a tilt switch
  29. 29.🔘 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
  30. 30.🔘 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
  31. 31.🔘 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
  32. 32.What does a slide switch do? (a) springs back when let go (b) works only while pressed (c) stays where you flip it (d) slides side to side
  33. 33.True or false: a slide switch closes near a magnet. (a) False (b) True
  34. 34.🔘 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
  35. 35.🔘 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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  36. 36.🔘 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) Yes (b) No
  37. 37.🔘 A bulb and a cell are joined through 6 switches on 6 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?
  38. 38.🔘 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?
  39. 39.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  40. 40.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a slide switch (c) a push button (d) a toggle switch

Answer key

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

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