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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 181 · 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 flips up or down? (a) a push button (b) a toggle switch (c) a slide switch (d) a reed switch
  2. 2.🔘 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
  3. 3.🔘 Which kind of switch springs back when let go? (a) a push button (b) a reed switch (c) a tilt switch (d) a toggle switch
  4. 4.🔘 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
  5. 5.🔘 What does a switch do in a circuit? (a) makes electricity (b) stores current (c) opens or closes the loop (d) changes the voltage
  6. 6.What does a toggle switch do? (a) slides side to side (b) springs back when let go (c) stays where you flip it (d) works only while pressed
  7. 7.🔘 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?
  8. 8.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a push button (c) a slide switch (d) a tilt switch
  9. 9.🔘 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
  10. 10.🔘 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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  11. 11.What does a push button do? (a) closes near a magnet (b) slides side to side (c) springs back when let go (d) closes when tipped over
  12. 12.🔘 A bulb and a cell are joined through 4 switches on 4 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?
  13. 13.🔘 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
  14. 14.True or false: a tilt switch flips up or down. (a) False (b) True
  15. 15.True or false: a toggle switch works only while pressed. (a) True (b) False
  16. 16.What does a tilt switch do? (a) stays where you flip it (b) works only while pressed (c) closes near a magnet (d) closes when tipped over
  17. 17.True or false: a tilt switch works only while pressed. (a) False (b) True
  18. 18.What does a toggle switch do? (a) springs back when let go (b) works only while pressed (c) flips up or down (d) closes when tipped over
  19. 19.True or false: a toggle switch stays where you flip it. (a) False (b) True
  20. 20.True or false: a toggle switch flips up or down. (a) True (b) False
  21. 21.True or false: a slide switch slides side to side. (a) True (b) False
  22. 22.True or false: a toggle switch closes when tipped over. (a) True (b) False
  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 OFF. Does the bulb glow? (a) Yes (b) No
  24. 24.True or false: a reed switch stays where you flip it. (a) False (b) True
  25. 25.🔘 Which kind of switch slides side to side? (a) a push button (b) a toggle switch (c) a reed switch (d) a slide switch
  26. 26.🔘 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
  27. 27.🔘 A bulb and a cell are joined through 4 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  28. 28.🔘 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 ON and D is OFF. Does the bulb glow? (a) Yes (b) No
  29. 29.🔘 When a switch is ON, the circuit is … (a) open (b) cut (c) closed (d) broken
  30. 30.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when both are ON (c) when either is ON (d) never
  31. 31.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  32. 32.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  33. 33.🔘 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
  34. 34.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  35. 35.True or false: a reed switch works only while pressed. (a) True (b) False
  36. 36.🔘 Which kind of switch closes near a magnet? (a) a reed switch (b) a toggle switch (c) a tilt switch (d) a slide switch
  37. 37.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  38. 38.🔘 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
  39. 39.True or false: a reed switch closes near a magnet. (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. a toggle switch
  2. Yes
  3. a push button
  4. No
  5. opens or closes the loop
  6. stays where you flip it
  7. 1
  8. a tilt switch
  9. No
  10. Yes
  11. springs back when let go
  12. 1
  13. No
  14. False
  15. False
  16. closes when tipped over
  17. False
  18. flips up or down
  19. True
  20. True
  21. True
  22. False
  23. No
  24. False
  25. a slide switch
  26. Yes
  27. 4
  28. No
  29. closed
  30. when both are ON
  31. No
  32. Yes
  33. No
  34. Yes
  35. False
  36. a reed switch
  37. Yes
  38. No
  39. True
  40. No

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