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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 92 · 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.🔘 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) No (b) Yes
  2. 2.What does a slide switch do? (a) slides side to side (b) springs back when let go (c) flips up or down (d) closes near a magnet
  3. 3.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a push button (c) a tilt switch (d) a slide switch
  4. 4.🔘 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
  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 OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  6. 6.What does a reed switch do? (a) flips up or down (b) closes when tipped over (c) springs back when let go (d) closes near a magnet
  7. 7.🔘 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 OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  8. 8.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  9. 9.🔘 When a switch is ON, the circuit is … (a) open (b) closed (c) cut (d) broken
  10. 10.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a tilt switch (c) a push button (d) a slide switch
  11. 11.True or false: a toggle switch stays where you flip it. (a) False (b) True
  12. 12.What does a tilt switch do? (a) flips up or down (b) closes when tipped over (c) slides side to side (d) works only while pressed
  13. 13.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  14. 14.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a push button (c) a toggle switch (d) a reed switch
  15. 15.🔘 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?
  16. 16.🔘 Which kind of switch closes when tipped over? (a) a reed switch (b) a push button (c) a slide switch (d) a tilt switch
  17. 17.🔘 What does a switch do in a circuit? (a) changes the voltage (b) opens or closes the loop (c) makes electricity (d) stores current
  18. 18.🔘 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
  19. 19.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 when tipped over
  20. 20.True or false: a reed switch closes when tipped over. (a) False (b) True
  21. 21.🔘 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?
  22. 22.🔘 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
  23. 23.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  24. 24.True or false: a tilt switch closes near a magnet. (a) False (b) True
  25. 25.🔘 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?
  26. 26.🔘 Which kind of switch works only while pressed? (a) a push button (b) a toggle switch (c) a reed switch (d) a tilt switch
  27. 27.🔘 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) No (b) Yes
  28. 28.True or false: a slide switch slides side to side. (a) True (b) False
  29. 29.True or false: a tilt switch springs back when let go. (a) True (b) False
  30. 30.True or false: a reed switch closes near a magnet. (a) True (b) False
  31. 31.True or false: a slide switch springs back when let go. (a) False (b) True
  32. 32.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  33. 33.🔘 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?
  34. 34.True or false: a push button flips up or down. (a) False (b) True
  35. 35.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  36. 36.🔘 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
  37. 37.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) only when both are ON (c) when either is ON (d) never
  38. 38.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  39. 39.🔘 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
  40. 40.🔘 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?

Answer key

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

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