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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 130 · 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.True or false: a push button flips up or down. (a) False (b) True
  2. 2.What does a push button do? (a) works only while pressed (b) flips up or down (c) closes when tipped over (d) stays where you flip it
  3. 3.🔘 What does a switch do in a circuit? (a) stores current (b) makes electricity (c) opens or closes the loop (d) changes the voltage
  4. 4.What does a reed switch do? (a) works only while pressed (b) closes near a magnet (c) flips up or down (d) closes when tipped over
  5. 5.What does a tilt switch do? (a) works only while pressed (b) closes near a magnet (c) slides side to side (d) closes when tipped over
  6. 6.True or false: a toggle switch flips up or down. (a) False (b) True
  7. 7.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) only when both are OFF (c) only when both are ON (d) never
  8. 8.🔘 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?
  9. 9.🔘 Which kind of switch flips up or down? (a) a tilt switch (b) a toggle switch (c) a slide switch (d) a reed switch
  10. 10.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a push button (c) a reed switch (d) a toggle switch
  11. 11.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when either is ON (c) when both are ON (d) when both are OFF
  12. 12.What does a toggle switch do? (a) works only while pressed (b) flips up or down (c) closes near a magnet (d) springs back when let go
  13. 13.What does a slide switch do? (a) works only while pressed (b) slides side to side (c) stays where you flip it (d) springs back when let go
  14. 14.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a push button (c) a slide switch (d) a tilt switch
  15. 15.🔘 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
  16. 16.🔘 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) No (b) Yes
  17. 17.True or false: a toggle switch slides side to side. (a) False (b) True
  18. 18.True or false: a tilt switch springs back when let go. (a) True (b) False
  19. 19.True or false: a reed switch slides side to side. (a) True (b) False
  20. 20.🔘 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?
  21. 21.True or false: a reed switch closes near a magnet. (a) False (b) True
  22. 22.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a reed switch (c) a slide switch (d) a push button
  23. 23.🔘 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 ON, C is OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  24. 24.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  25. 25.🔘 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
  26. 26.🔘 Which kind of switch works only while pressed? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a push button
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  28. 28.🔘 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
  29. 29.🔘 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?
  30. 30.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  31. 31.True or false: a tilt switch stays where you flip it. (a) False (b) True
  32. 32.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a reed switch (c) a toggle switch (d) a slide switch
  33. 33.True or false: a slide switch slides side to side. (a) True (b) False
  34. 34.🔘 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?
  35. 35.🔘 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) Yes (b) No
  36. 36.🔘 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
  37. 37.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a toggle switch (c) a slide switch (d) a reed switch
  38. 38.🔘 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
  39. 39.True or false: a push button works only while pressed. (a) True (b) False
  40. 40.🔘 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

Answer key

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

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