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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 867 · 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 toggle switch (b) a reed switch (c) a tilt switch (d) a push button
  2. 2.🔘 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 OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  3. 3.🔘 When a switch is ON, the circuit is … (a) open (b) broken (c) cut (d) closed
  4. 4.🔘 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
  5. 5.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  6. 6.🔘 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) Yes (b) No
  7. 7.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a push button (c) a toggle switch (d) a reed switch
  8. 8.What does a reed switch do? (a) flips up or down (b) closes when tipped over (c) stays where you flip it (d) closes near a magnet
  9. 9.🔘 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
  10. 10.🔘 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?
  11. 11.🔘 Which kind of switch works only while pressed? (a) a push button (b) a toggle switch (c) a slide switch (d) a reed switch
  12. 12.What does a tilt switch do? (a) slides side to side (b) closes near a magnet (c) stays where you flip it (d) closes when tipped over
  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 ON, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  15. 15.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a reed switch (c) a push button (d) a tilt switch
  16. 16.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a slide switch (c) a reed switch (d) a toggle switch
  17. 17.🔘 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
  18. 18.🔘 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?
  19. 19.🔘 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?
  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 ON. Does the bulb glow? (a) Yes (b) No
  21. 21.🔘 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
  22. 22.🔘 What does a switch do in a circuit? (a) changes the voltage (b) makes electricity (c) stores current (d) opens or closes the loop
  23. 23.🔘 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
  24. 24.What does a push button do? (a) closes near a magnet (b) flips up or down (c) closes when tipped over (d) works only while pressed
  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.True or false: a toggle switch stays where you flip it. (a) True (b) False
  27. 27.True or false: a tilt switch stays where you flip it. (a) False (b) True
  28. 28.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a tilt switch
  29. 29.True or false: a toggle switch flips up or down. (a) False (b) True
  30. 30.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) only when both are OFF (c) never (d) when either is ON
  31. 31.🔘 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
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  33. 33.What does a toggle switch do? (a) flips up or down (b) slides side to side (c) works only while pressed (d) springs back when let go
  34. 34.What does a toggle switch do? (a) springs back when let go (b) stays where you flip it (c) closes when tipped over (d) closes near a magnet
  35. 35.What does a push button do? (a) stays where you flip it (b) slides side to side (c) closes when tipped over (d) springs back when let go
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  37. 37.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a tilt switch (c) a push button (d) a slide switch
  38. 38.🔘 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
  39. 39.True or false: a reed switch stays where you flip it. (a) False (b) True
  40. 40.🔘 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

Answer key

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

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