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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 570 · 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 switch do in a circuit? (a) changes the voltage (b) opens or closes the loop (c) makes electricity (d) stores current
  2. 2.🔘 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
  3. 3.What does a tilt switch do? (a) slides side to side (b) closes when tipped over (c) flips up or down (d) springs back when let go
  4. 4.🔘 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
  5. 5.What does a slide switch do? (a) works only while pressed (b) flips up or down (c) closes when tipped over (d) slides side to side
  6. 6.🔘 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 ON, C is OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  7. 7.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a tilt switch (c) a push button (d) a toggle switch
  8. 8.🔘 When a switch is ON, the circuit is … (a) open (b) cut (c) broken (d) closed
  9. 9.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a slide switch (c) a toggle switch (d) a push button
  10. 10.🔘 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 OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  11. 11.🔘 Which kind of switch flips up or down? (a) a tilt switch (b) a reed switch (c) a slide switch (d) a toggle switch
  12. 12.What does a reed switch do? (a) flips up or down (b) stays where you flip it (c) springs back when let go (d) closes near a magnet
  13. 13.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) only when both are OFF (c) when either is ON (d) only when both are ON
  14. 14.🔘 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?
  15. 15.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  16. 16.🔘 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) Yes (b) No
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  18. 18.🔘 Which kind of switch slides side to side? (a) a reed switch (b) a push button (c) a slide switch (d) a toggle switch
  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 OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  20. 20.🔘 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?
  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.What does a push button do? (a) slides side to side (b) closes when tipped over (c) flips up or down (d) springs back when let go
  23. 23.🔘 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?
  24. 24.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are ON (c) never (d) when both are OFF
  25. 25.🔘 Which kind of switch springs back when let go? (a) a push button (b) a tilt switch (c) a toggle switch (d) a reed switch
  26. 26.True or false: a tilt switch closes when tipped over. (a) True (b) False
  27. 27.🔘 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) No (b) Yes
  28. 28.True or false: a push button closes when tipped over. (a) False (b) True
  29. 29.True or false: a reed switch closes near a magnet. (a) True (b) False
  30. 30.🔘 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
  31. 31.True or false: a reed switch springs back when let go. (a) True (b) False
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  33. 33.True or false: a push button slides side to side. (a) True (b) False
  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 ON, B is ON, C is OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  35. 35.What does a toggle switch do? (a) stays where you flip it (b) closes near a magnet (c) slides side to side (d) works only while pressed
  36. 36.🔘 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) No (b) Yes
  37. 37.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a reed switch (c) a toggle switch (d) a tilt switch
  38. 38.🔘 Which kind of switch closes when tipped over? (a) a reed switch (b) a slide switch (c) a toggle switch (d) a tilt switch
  39. 39.🔘 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) No (b) Yes
  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 ON, B is ON and C is ON. Does the bulb glow? (a) Yes (b) No

Answer key

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

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