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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 322 · 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 closes when tipped over? (a) a reed switch (b) a slide switch (c) a toggle switch (d) a tilt switch
  2. 2.What does a toggle switch do? (a) closes near a magnet (b) flips up or down (c) springs back when let go (d) slides side to side
  3. 3.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a push button (c) a reed switch (d) a toggle switch
  4. 4.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  5. 5.🔘 What does a switch do in a circuit? (a) stores current (b) changes the voltage (c) opens or closes the loop (d) makes electricity
  6. 6.🔘 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) Yes (b) No
  7. 7.What does a tilt switch do? (a) closes near a magnet (b) springs back when let go (c) works only while pressed (d) closes when tipped over
  8. 8.🔘 Which kind of switch flips up or down? (a) a push button (b) a slide switch (c) a reed switch (d) a toggle switch
  9. 9.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are OFF (c) never (d) when both are ON
  10. 10.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a push button (c) a slide switch (d) a toggle switch
  11. 11.What does a slide switch do? (a) slides side to side (b) flips up or down (c) closes near a magnet (d) springs back when let go
  12. 12.True or false: a toggle switch slides side to side. (a) False (b) True
  13. 13.🔘 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
  14. 14.True or false: a push button works only while pressed. (a) True (b) False
  15. 15.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) only when both are OFF (c) only when both are ON (d) never
  16. 16.What does a reed switch do? (a) stays where you flip it (b) flips up or down (c) closes near a magnet (d) slides side to side
  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) No (b) Yes
  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 ON, C is ON and D is ON. Does the bulb glow? (a) Yes (b) No
  19. 19.🔘 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
  20. 20.🔘 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
  21. 21.What does a push button do? (a) stays where you flip it (b) flips up or down (c) closes near a magnet (d) works only while pressed
  22. 22.🔘 When a switch is ON, the circuit is … (a) cut (b) broken (c) open (d) closed
  23. 23.🔘 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?
  24. 24.True or false: a toggle switch works only while pressed. (a) False (b) True
  25. 25.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  26. 26.🔘 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?
  27. 27.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  28. 28.🔘 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) Yes (b) No
  29. 29.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a tilt switch (c) a push button (d) a reed switch
  30. 30.🔘 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?
  31. 31.True or false: a tilt switch closes when tipped over. (a) False (b) True
  32. 32.What does a push button do? (a) closes when tipped over (b) stays where you flip it (c) flips up or down (d) springs back when let go
  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 OFF, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  34. 34.🔘 Which kind of switch closes near a magnet? (a) a reed switch (b) a tilt switch (c) a toggle switch (d) a slide switch
  35. 35.🔘 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
  36. 36.🔘 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 ON and D is ON. Does the bulb glow? (a) Yes (b) No
  37. 37.True or false: a tilt switch closes near a magnet. (a) False (b) True
  38. 38.What does a toggle switch do? (a) closes when tipped over (b) closes near a magnet (c) stays where you flip it (d) slides side to side
  39. 39.🔘 Which kind of switch slides side to side? (a) a reed switch (b) a toggle switch (c) a push button (d) a slide switch
  40. 40.🔘 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 ON. Does the bulb glow? (a) Yes (b) No

Answer key

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

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