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Electronics Worksheet: Switches in a Circuit

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

Answer key

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

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