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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 709 · 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.What does a push button do? (a) flips up or down (b) stays where you flip it (c) slides side to side (d) springs back when let go
  2. 2.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when both are ON (c) when both are OFF (d) when either is ON
  3. 3.What does a reed switch do? (a) slides side to side (b) closes near a magnet (c) closes when tipped over (d) springs back when let go
  4. 4.True or false: a toggle switch flips up or down. (a) False (b) True
  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 ON and B is ON. Does the bulb glow? (a) Yes (b) No
  6. 6.What does a tilt switch do? (a) flips up or down (b) closes when tipped over (c) closes near a magnet (d) stays where you flip it
  7. 7.🔘 Which kind of switch flips up or down? (a) a tilt switch (b) a reed switch (c) a push button (d) a toggle switch
  8. 8.True or false: a slide switch stays where you flip it. (a) False (b) True
  9. 9.🔘 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
  10. 10.🔘 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) No (b) Yes
  11. 11.🔘 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?
  12. 12.🔘 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) No (b) Yes
  13. 13.What does a toggle switch do? (a) closes near a magnet (b) stays where you flip it (c) slides side to side (d) closes when tipped over
  14. 14.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  15. 15.🔘 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?
  16. 16.🔘 When a switch is ON, the circuit is … (a) broken (b) open (c) closed (d) cut
  17. 17.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) stores current (c) changes the voltage (d) makes electricity
  18. 18.🔘 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
  19. 19.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a toggle switch (c) a push button (d) a tilt switch
  20. 20.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) never (c) only when both are ON (d) when either is ON
  21. 21.What does a slide switch do? (a) works only while pressed (b) closes when tipped over (c) stays where you flip it (d) slides side to side
  22. 22.🔘 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
  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.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a tilt switch (c) a push button (d) a toggle switch
  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 OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  26. 26.🔘 Which kind of switch closes when tipped over? (a) a reed switch (b) a push button (c) a toggle switch (d) a tilt switch
  27. 27.True or false: a tilt switch closes when tipped over. (a) True (b) False
  28. 28.🔘 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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  29. 29.🔘 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?
  30. 30.🔘 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
  31. 31.True or false: a slide switch slides side to side. (a) True (b) False
  32. 32.🔘 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
  33. 33.🔘 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
  34. 34.True or false: a push button slides side to side. (a) True (b) False
  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) Yes (b) No
  36. 36.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a push button (c) a reed switch (d) a slide switch
  37. 37.True or false: a toggle switch closes near a magnet. (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.What does a push button do? (a) stays where you flip it (b) closes near a magnet (c) works only while pressed (d) slides side to side
  40. 40.True or false: a toggle switch stays where you flip it. (a) True (b) False

Answer key

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

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