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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 750 · 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, a bulb and switches A, B, C and D are joined one after another in a single loop (series). A is OFF, B is OFF, C is ON and D is ON. Does the bulb glow? (a) Yes (b) No
  2. 2.🔘 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
  3. 3.🔘 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
  4. 4.🔘 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?
  5. 5.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a tilt switch (c) a toggle switch (d) a push button
  6. 6.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when both are ON (c) when both are OFF (d) when either is ON
  7. 7.True or false: a tilt switch springs back when let go. (a) False (b) True
  8. 8.🔘 Which kind of switch closes when tipped over? (a) a push button (b) a slide switch (c) a tilt switch (d) a reed switch
  9. 9.🔘 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
  10. 10.True or false: a slide switch springs back when let go. (a) False (b) True
  11. 11.🔘 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
  12. 12.🔘 Which kind of switch springs back when let go? (a) a reed switch (b) a slide switch (c) a tilt switch (d) a push button
  13. 13.True or false: a push button flips up or down. (a) False (b) True
  14. 14.What does a reed switch do? (a) springs back when let go (b) flips up or down (c) stays where you flip it (d) closes near a magnet
  15. 15.🔘 When a switch is ON, the circuit is … (a) open (b) broken (c) cut (d) closed
  16. 16.🔘 What does a switch do in a circuit? (a) makes electricity (b) stores current (c) changes the voltage (d) opens or closes the loop
  17. 17.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a push button (c) a reed switch (d) a tilt switch
  18. 18.What does a push button do? (a) flips up or down (b) slides side to side (c) works only while pressed (d) closes when tipped over
  19. 19.What does a slide switch do? (a) flips up or down (b) closes when tipped over (c) slides side to side (d) closes near a magnet
  20. 20.🔘 Which kind of switch flips up or down? (a) a push button (b) a slide switch (c) a tilt switch (d) a toggle switch
  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) Yes (b) No
  22. 22.What does a tilt switch do? (a) springs back when let go (b) closes when tipped over (c) flips up or down (d) stays where you flip it
  23. 23.What does a push button do? (a) slides side to side (b) closes when tipped over (c) closes near a magnet (d) springs back when let go
  24. 24.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a tilt switch (c) a push button (d) a reed switch
  25. 25.🔘 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
  26. 26.🔘 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) Yes (b) No
  27. 27.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  28. 28.True or false: a push button closes when tipped over. (a) True (b) False
  29. 29.What does a toggle switch do? (a) flips up or down (b) closes near a magnet (c) slides side to side (d) works only while pressed
  30. 30.True or false: a slide switch slides side to side. (a) True (b) False
  31. 31.🔘 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?
  32. 32.🔘 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
  33. 33.🔘 Which kind of switch closes near a magnet? (a) a reed switch (b) a push button (c) a tilt switch (d) a toggle switch
  34. 34.True or false: a slide switch flips up or down. (a) True (b) False
  35. 35.🔘 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
  36. 36.True or false: a toggle switch flips up or down. (a) True (b) False
  37. 37.🔘 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
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  39. 39.🔘 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) No (b) Yes
  40. 40.True or false: a tilt switch closes when tipped over. (a) False (b) True

Answer key

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

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