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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 251 · 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 works only while pressed? (a) a tilt switch (b) a toggle switch (c) a push button (d) a reed switch
  2. 2.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) only when both are ON (c) never (d) only when both are OFF
  3. 3.🔘 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
  4. 4.🔘 Which kind of switch springs back when let go? (a) a push button (b) a slide switch (c) a tilt switch (d) a reed switch
  5. 5.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  6. 6.What does a slide switch do? (a) closes near a magnet (b) flips up or down (c) slides side to side (d) stays where you flip it
  7. 7.True or false: a toggle switch slides side to side. (a) True (b) False
  8. 8.True or false: a slide switch slides side to side. (a) True (b) False
  9. 9.True or false: a push button closes when tipped over. (a) True (b) False
  10. 10.True or false: a reed switch flips up or down. (a) True (b) False
  11. 11.🔘 What does a switch do in a circuit? (a) makes electricity (b) changes the voltage (c) opens or closes the loop (d) stores current
  12. 12.🔘 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?
  13. 13.🔘 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
  14. 14.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a slide switch (c) a push button (d) a tilt switch
  15. 15.What does a reed switch do? (a) stays where you flip it (b) flips up or down (c) springs back when let go (d) closes near a magnet
  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.🔘 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
  18. 18.What does a push button do? (a) springs back when let go (b) flips up or down (c) stays where you flip it (d) closes when tipped over
  19. 19.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  20. 20.True or false: a tilt switch flips up or down. (a) False (b) True
  21. 21.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) when both are OFF (c) never (d) when either is ON
  22. 22.🔘 A cell, a bulb and switches A, B, C and D are joined one after another in a single loop (series). A is ON, B is OFF, C is ON and D 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) Yes (b) No
  24. 24.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  25. 25.🔘 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
  26. 26.🔘 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
  27. 27.🔘 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?
  28. 28.What does a tilt switch do? (a) slides side to side (b) works only while pressed (c) flips up or down (d) closes when tipped over
  29. 29.🔘 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
  30. 30.What does a push button do? (a) stays where you flip it (b) works only while pressed (c) flips up or down (d) slides side to side
  31. 31.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a push button (c) a reed switch (d) a toggle switch
  32. 32.True or false: a push button works only while pressed. (a) True (b) False
  33. 33.🔘 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
  34. 34.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a tilt switch (c) a reed switch (d) a toggle switch
  35. 35.True or false: a toggle switch flips up or down. (a) False (b) True
  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 OFF. Does the bulb glow? (a) No (b) Yes
  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.True or false: a slide switch flips up or down. (a) True (b) False
  39. 39.🔘 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 OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  40. 40.True or false: a reed switch closes when tipped over. (a) False (b) True

Answer key

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

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