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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 666 · 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.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when both are ON (c) never (d) when either is ON
  2. 2.True or false: a slide switch works only while pressed. (a) True (b) False
  3. 3.🔘 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
  4. 4.🔘 A bulb and a cell are joined through 5 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  5. 5.🔘 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
  6. 6.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a push button (c) a tilt switch (d) a slide switch
  7. 7.🔘 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
  8. 8.🔘 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
  9. 9.🔘 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?
  10. 10.True or false: a reed switch closes near a magnet. (a) False (b) True
  11. 11.What does a tilt switch do? (a) flips up or down (b) slides side to side (c) springs back when let go (d) closes when tipped over
  12. 12.🔘 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
  13. 13.What does a push button do? (a) closes when tipped over (b) slides side to side (c) works only while pressed (d) stays where you flip it
  14. 14.🔘 When a switch is ON, the circuit is … (a) closed (b) cut (c) broken (d) open
  15. 15.True or false: a tilt switch flips up or down. (a) True (b) False
  16. 16.What does a reed switch do? (a) stays where you flip it (b) flips up or down (c) springs back when let go (d) closes near a magnet
  17. 17.True or false: a reed switch stays where you flip it. (a) True (b) False
  18. 18.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  19. 19.🔘 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
  20. 20.🔘 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
  21. 21.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a reed switch (c) a toggle switch (d) a tilt switch
  22. 22.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a push button
  23. 23.🔘 What does a switch do in a circuit? (a) stores current (b) changes the voltage (c) makes electricity (d) opens or closes the loop
  24. 24.🔘 Which kind of switch springs back when let go? (a) a push button (b) a toggle switch (c) a reed switch (d) a slide switch
  25. 25.What does a toggle switch do? (a) slides side to side (b) springs back when let go (c) works only while pressed (d) flips up or down
  26. 26.What does a slide switch do? (a) slides side to side (b) stays where you flip it (c) flips up or down (d) springs back when let go
  27. 27.🔘 Which kind of switch closes when tipped over? (a) a reed switch (b) a slide switch (c) a push button (d) a tilt switch
  28. 28.🔘 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
  29. 29.🔘 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
  30. 30.🔘 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
  31. 31.What does a toggle switch do? (a) springs back when let go (b) works only while pressed (c) stays where you flip it (d) closes when tipped over
  32. 32.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a slide switch (c) a reed switch (d) a tilt switch
  33. 33.True or false: a slide switch slides side to side. (a) True (b) False
  34. 34.🔘 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) Yes (b) No
  35. 35.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a slide switch (c) a tilt switch (d) a reed switch
  36. 36.True or false: a reed switch closes when tipped over. (a) False (b) True
  37. 37.True or false: a tilt switch springs back when let go. (a) True (b) False
  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 OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  39. 39.🔘 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
  40. 40.True or false: a reed switch slides side to side. (a) True (b) False

Answer key

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

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