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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 411 · 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 ON, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  2. 2.What does a tilt switch do? (a) stays where you flip it (b) closes near a magnet (c) closes when tipped over (d) works only while pressed
  3. 3.What does a slide switch do? (a) works only while pressed (b) slides side to side (c) springs back when let go (d) stays where you flip it
  4. 4.What does a reed switch do? (a) closes when tipped over (b) closes near a magnet (c) stays where you flip it (d) slides side to side
  5. 5.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a push button
  6. 6.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a tilt switch (c) a push button (d) a slide switch
  7. 7.🔘 When a switch is ON, the circuit is … (a) open (b) broken (c) cut (d) closed
  8. 8.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a reed switch (c) a toggle switch (d) a tilt switch
  9. 9.What does a toggle switch do? (a) springs back when let go (b) flips up or down (c) slides side to side (d) works only while pressed
  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 ON and C is ON. Does the bulb glow? (a) Yes (b) No
  11. 11.🔘 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
  12. 12.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a tilt switch (c) a toggle switch (d) a reed switch
  13. 13.True or false: a reed switch closes near a magnet. (a) True (b) False
  14. 14.🔘 What does a switch do in a circuit? (a) changes the voltage (b) makes electricity (c) opens or closes the loop (d) stores current
  15. 15.🔘 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) Yes (b) No
  16. 16.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a push button (c) a toggle switch (d) a slide switch
  17. 17.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) never (c) when either is ON (d) only when both are ON
  18. 18.🔘 Which kind of switch works only while pressed? (a) a push button (b) a slide switch (c) a tilt switch (d) a toggle switch
  19. 19.🔘 A bulb and a cell are joined through 3 switches on 3 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?
  20. 20.True or false: a toggle switch stays where you flip it. (a) False (b) True
  21. 21.🔘 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 OFF and B is ON. Does the bulb glow? (a) Yes (b) No
  22. 22.True or false: a tilt switch closes when tipped over. (a) False (b) True
  23. 23.🔘 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?
  24. 24.🔘 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
  25. 25.🔘 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 OFF and B is OFF. Does the bulb glow? (a) No (b) Yes
  26. 26.True or false: a reed switch springs back when let go. (a) True (b) False
  27. 27.🔘 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
  28. 28.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
  29. 29.True or false: a push button works only while pressed. (a) False (b) True
  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 OFF and C is OFF. 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) No (b) Yes
  32. 32.🔘 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) No (b) Yes
  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 ON. Does the bulb glow? (a) Yes (b) No
  34. 34.True or false: a slide switch closes near a magnet. (a) True (b) False
  35. 35.🔘 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
  36. 36.🔘 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?
  37. 37.🔘 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
  38. 38.True or false: a push button stays where you flip it. (a) False (b) True
  39. 39.True or false: a tilt switch springs back when let go. (a) False (b) True
  40. 40.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are OFF (c) never (d) when both are ON

Answer key

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

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