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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 782 · 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.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) never (c) when both are ON (d) when either is ON
  2. 2.True or false: a tilt switch closes when tipped over. (a) False (b) True
  3. 3.🔘 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
  4. 4.What does a tilt switch do? (a) flips up or down (b) closes when tipped over (c) springs back when let go (d) works only while pressed
  5. 5.What does a push button do? (a) works only while pressed (b) slides side to side (c) stays where you flip it (d) closes near a magnet
  6. 6.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a reed switch (c) a push button (d) a toggle switch
  7. 7.🔘 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
  8. 8.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a toggle switch (c) a tilt switch (d) a slide switch
  9. 9.🔘 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?
  10. 10.True or false: a slide switch works only while pressed. (a) False (b) True
  11. 11.🔘 What does a switch do in a circuit? (a) stores current (b) changes the voltage (c) makes electricity (d) opens or closes the loop
  12. 12.What does a push button do? (a) closes when tipped over (b) flips up or down (c) closes near a magnet (d) springs back when let go
  13. 13.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a push button (c) a tilt switch (d) a slide switch
  14. 14.True or false: a toggle switch flips up or down. (a) True (b) False
  15. 15.🔘 Which kind of switch closes near a magnet? (a) a reed switch (b) a push button (c) a toggle switch (d) a slide switch
  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 OFF. Does the bulb glow? (a) No (b) Yes
  17. 17.🔘 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
  18. 18.What does a toggle switch do? (a) stays where you flip it (b) closes when tipped over (c) slides side to side (d) works only while pressed
  19. 19.🔘 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 OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  20. 20.What does a slide switch do? (a) flips up or down (b) slides side to side (c) stays where you flip it (d) springs back when let go
  21. 21.🔘 A bulb and a cell are joined through 6 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  22. 22.🔘 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?
  23. 23.True or false: a reed switch springs back when let go. (a) True (b) False
  24. 24.🔘 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?
  25. 25.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a slide switch (c) a push button (d) a reed switch
  26. 26.🔘 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
  27. 27.🔘 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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  28. 28.🔘 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?
  29. 29.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a tilt switch (c) a push button (d) a slide switch
  30. 30.True or false: a tilt switch flips up or down. (a) True (b) False
  31. 31.What does a reed switch do? (a) springs back when let go (b) closes near a magnet (c) slides side to side (d) works only while pressed
  32. 32.🔘 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) Yes (b) No
  33. 33.True or false: a push button closes near a magnet. (a) False (b) True
  34. 34.🔘 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
  35. 35.🔘 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
  36. 36.True or false: a push button springs back when let go. (a) True (b) False
  37. 37.🔘 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) No (b) Yes
  38. 38.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a tilt switch (c) a slide switch (d) a push button
  39. 39.True or false: a tilt switch springs back when let go. (a) True (b) False
  40. 40.🔘 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) No (b) Yes

Answer key

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

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