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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 891 · 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 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?
  2. 2.What does a push button do? (a) stays where you flip it (b) works only while pressed (c) slides side to side (d) flips up or down
  3. 3.🔘 Which kind of switch works only while pressed? (a) a push button (b) a toggle switch (c) a slide switch (d) a tilt switch
  4. 4.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a reed switch (c) a push button (d) a tilt switch
  5. 5.🔘 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
  6. 6.True or false: a push button stays where you flip it. (a) False (b) True
  7. 7.What does a push button do? (a) closes when tipped over (b) springs back when let go (c) stays where you flip it (d) flips up or down
  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 OFF, C is ON and D is ON. Does the bulb glow? (a) Yes (b) No
  9. 9.🔘 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
  10. 10.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a push button (c) a slide switch (d) a tilt switch
  11. 11.True or false: a slide switch slides side to side. (a) True (b) False
  12. 12.What does a toggle switch do? (a) flips up or down (b) works only while pressed (c) closes when tipped over (d) closes near a magnet
  13. 13.🔘 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
  14. 14.What does a reed switch do? (a) closes near a magnet (b) springs back when let go (c) slides side to side (d) closes when tipped over
  15. 15.🔘 When a switch is ON, the circuit is … (a) open (b) broken (c) cut (d) closed
  16. 16.🔘 Which kind of switch closes when tipped over? (a) a reed switch (b) a push button (c) a tilt switch (d) a slide switch
  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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  18. 18.🔘 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
  19. 19.🔘 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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  20. 20.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) only when both are ON (c) never (d) only when both are OFF
  21. 21.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  22. 22.🔘 What does a switch do in a circuit? (a) stores current (b) changes the voltage (c) opens or closes the loop (d) makes electricity
  23. 23.🔘 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
  24. 24.🔘 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 OFF, C is ON and D is ON. Does the bulb glow? (a) Yes (b) No
  25. 25.🔘 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
  26. 26.True or false: a toggle switch flips up or down. (a) False (b) True
  27. 27.What does a slide switch do? (a) flips up or down (b) slides side to side (c) closes near a magnet (d) works only while pressed
  28. 28.🔘 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
  29. 29.🔘 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) Yes (b) No
  30. 30.🔘 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 ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  31. 31.What does a toggle switch do? (a) works only while pressed (b) closes when tipped over (c) stays where you flip it (d) springs back when let go
  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 ON, B is OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  33. 33.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a toggle switch (c) a slide switch (d) a push button
  34. 34.🔘 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?
  35. 35.True or false: a reed switch closes near a magnet. (a) True (b) False
  36. 36.True or false: a tilt switch slides side to side. (a) True (b) False
  37. 37.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a tilt switch (c) a toggle switch (d) a reed switch
  38. 38.🔘 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) Yes (b) No
  39. 39.True or false: a reed switch slides side to side. (a) False (b) True
  40. 40.What does a tilt switch do? (a) closes when tipped over (b) flips up or down (c) slides side to side (d) springs back when let go

Answer key

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

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