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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 716 · 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.What does a toggle switch do? (a) stays where you flip it (b) works only while pressed (c) closes near a magnet (d) slides side to side
  2. 2.🔘 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?
  3. 3.🔘 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
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  5. 5.🔘 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
  6. 6.🔘 What does a switch do in a circuit? (a) changes the voltage (b) makes electricity (c) stores current (d) opens or closes the loop
  7. 7.🔘 Which kind of switch closes near a magnet? (a) a tilt switch (b) a push button (c) a reed switch (d) a toggle switch
  8. 8.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are OFF (c) when both are ON (d) never
  9. 9.🔘 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
  10. 10.What does a push button do? (a) works only while pressed (b) closes when tipped over (c) closes near a magnet (d) stays where you flip it
  11. 11.What does a push button do? (a) slides side to side (b) springs back when let go (c) stays where you flip it (d) closes near a magnet
  12. 12.What does a slide switch do? (a) slides side to side (b) closes near a magnet (c) flips up or down (d) springs back when let go
  13. 13.True or false: a reed switch flips up or down. (a) True (b) False
  14. 14.🔘 When a switch is ON, the circuit is … (a) open (b) cut (c) closed (d) broken
  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) Yes (b) No
  16. 16.🔘 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) Yes (b) No
  17. 17.🔘 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 ON, C is OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  18. 18.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a slide switch (c) a push button (d) a tilt 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 reed switch springs back when let go. (a) True (b) False
  21. 21.True or false: a reed switch closes near a magnet. (a) True (b) False
  22. 22.🔘 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?
  23. 23.What does a reed switch do? (a) closes when tipped over (b) closes near a magnet (c) springs back when let go (d) slides side to side
  24. 24.🔘 Which kind of switch slides side to side? (a) a reed switch (b) a tilt switch (c) a push button (d) a slide switch
  25. 25.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a push button (c) a tilt switch (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 ON and B is OFF. Does the bulb glow? (a) No (b) Yes
  27. 27.What does a tilt switch do? (a) stays where you flip it (b) closes when tipped over (c) works only while pressed (d) springs back when let go
  28. 28.True or false: a toggle switch closes near a magnet. (a) True (b) False
  29. 29.True or false: a tilt switch stays where you flip it. (a) True (b) False
  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 OFF, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  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 ON. Does the bulb glow? (a) No (b) Yes
  32. 32.🔘 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
  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 ON, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  34. 34.True or false: a push button springs back when let go. (a) False (b) True
  35. 35.True or false: a tilt switch closes when tipped over. (a) False (b) True
  36. 36.🔘 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?
  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.True or false: a slide switch slides side to side. (a) True (b) False
  39. 39.🔘 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) No (b) Yes
  40. 40.True or false: a toggle switch works only while pressed. (a) True (b) False

Answer key

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

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