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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 738 · 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 OFF, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  2. 2.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a tilt switch (c) a reed switch (d) a push button
  3. 3.🔘 What does a switch do in a circuit? (a) stores current (b) changes the voltage (c) opens or closes the loop (d) makes electricity
  4. 4.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a toggle switch (c) a slide switch (d) a push button
  5. 5.True or false: a slide switch stays where you flip it. (a) True (b) False
  6. 6.What does a push button do? (a) slides side to side (b) closes when tipped over (c) works only while pressed (d) stays where you flip it
  7. 7.🔘 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) No (b) Yes
  8. 8.🔘 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) No (b) Yes
  9. 9.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a toggle switch (c) a push button (d) a reed switch
  10. 10.True or false: a toggle switch works only while pressed. (a) True (b) False
  11. 11.What does a push button do? (a) closes near a magnet (b) closes when tipped over (c) flips up or down (d) springs back when let go
  12. 12.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) when either is ON (c) only when both are ON (d) only when both are OFF
  13. 13.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) never (c) when both are OFF (d) when either is ON
  14. 14.True or false: a toggle switch stays where you flip it. (a) False (b) True
  15. 15.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  16. 16.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  18. 18.True or false: a slide switch slides side to side. (a) False (b) True
  19. 19.What does a toggle switch do? (a) closes near a magnet (b) works only while pressed (c) flips up or down (d) slides side to side
  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 OFF, C is OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  21. 21.🔘 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
  22. 22.🔘 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) No (b) Yes
  23. 23.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  24. 24.What does a tilt switch do? (a) closes near a magnet (b) works only while pressed (c) stays where you flip it (d) closes when tipped over
  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 OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  26. 26.True or false: a push button closes when tipped over. (a) False (b) True
  27. 27.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a toggle switch (c) a reed switch (d) a push button
  28. 28.🔘 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
  29. 29.🔘 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) Yes (b) No
  30. 30.What does a slide switch do? (a) slides side to side (b) springs back when let go (c) closes near a magnet (d) closes when tipped over
  31. 31.True or false: a reed switch flips up or down. (a) True (b) False
  32. 32.🔘 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?
  33. 33.True or false: a tilt switch flips up or down. (a) False (b) True
  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 OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  35. 35.True or false: a push button springs back when let go. (a) True (b) False
  36. 36.🔘 When a switch is ON, the circuit is … (a) cut (b) open (c) broken (d) closed
  37. 37.True or false: a reed switch slides side to side. (a) False (b) True
  38. 38.🔘 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) No (b) Yes
  39. 39.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a reed switch (c) a slide switch (d) a tilt switch
  40. 40.What does a reed switch do? (a) springs back when let go (b) flips up or down (c) closes near a magnet (d) stays where you flip it

Answer key

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

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