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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 531 · 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 slides side to side? (a) a tilt switch (b) a push button (c) a toggle switch (d) a slide switch
  2. 2.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  3. 3.What does a toggle switch do? (a) slides side to side (b) works only while pressed (c) flips up or down (d) closes near a magnet
  4. 4.🔘 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
  5. 5.🔘 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
  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 ON. Does the bulb glow? (a) No (b) Yes
  7. 7.🔘 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
  8. 8.True or false: a toggle switch springs back when let go. (a) False (b) True
  9. 9.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a tilt switch (c) a reed switch (d) a push button
  10. 10.What does a reed switch do? (a) springs back when let go (b) closes when tipped over (c) flips up or down (d) closes near a magnet
  11. 11.🔘 What does a switch do in a circuit? (a) changes the voltage (b) stores current (c) opens or closes the loop (d) makes electricity
  12. 12.What does a slide switch do? (a) works only while pressed (b) stays where you flip it (c) closes when tipped over (d) slides side to side
  13. 13.🔘 When a switch is ON, the circuit is … (a) broken (b) closed (c) cut (d) open
  14. 14.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when both are ON (c) never (d) when either is ON
  15. 15.True or false: a tilt switch closes when tipped over. (a) False (b) True
  16. 16.🔘 Which kind of switch flips up or down? (a) a tilt switch (b) a reed switch (c) a toggle switch (d) a slide switch
  17. 17.True or false: a tilt switch springs back when let go. (a) True (b) False
  18. 18.🔘 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
  19. 19.🔘 A bulb and a cell are joined through 4 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  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 OFF. Does the bulb glow? (a) No (b) Yes
  21. 21.True or false: a slide switch slides side to side. (a) False (b) True
  22. 22.🔘 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
  23. 23.🔘 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) No (b) Yes
  24. 24.🔘 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
  25. 25.🔘 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?
  26. 26.What does a push button do? (a) stays where you flip it (b) flips up or down (c) springs back when let go (d) slides side to side
  27. 27.🔘 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) No (b) Yes
  28. 28.What does a push button do? (a) works only while pressed (b) flips up or down (c) closes near a magnet (d) stays where you flip it
  29. 29.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) only when both are ON (c) when either is ON (d) only when both are OFF
  30. 30.🔘 A bulb and a cell are joined through 5 switches on 5 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?
  31. 31.🔘 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
  32. 32.🔘 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?
  33. 33.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a reed switch (c) a tilt switch (d) a push button
  34. 34.🔘 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
  35. 35.True or false: a toggle switch stays where you flip it. (a) False (b) True
  36. 36.🔘 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
  37. 37.True or false: a toggle switch closes when tipped over. (a) True (b) False
  38. 38.True or false: a reed switch works only while pressed. (a) True (b) False
  39. 39.🔘 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) Yes (b) No
  40. 40.True or false: a slide switch flips up or down. (a) True (b) False

Answer key

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

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