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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 940 · 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.🔘 When a switch is ON, the circuit is … (a) broken (b) open (c) closed (d) cut
  2. 2.🔘 Which kind of switch springs back when let go? (a) a push button (b) a toggle switch (c) a slide switch (d) a reed switch
  3. 3.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a push button (c) a slide switch (d) a reed switch
  4. 4.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a push button (c) a reed switch (d) a tilt switch
  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) Yes (b) No
  6. 6.True or false: a tilt switch flips up or down. (a) True (b) False
  7. 7.🔘 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
  8. 8.True or false: a push button closes when tipped over. (a) False (b) True
  9. 9.🔘 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?
  10. 10.True or false: a push button stays where you flip it. (a) False (b) True
  11. 11.What does a push button do? (a) flips up or down (b) works only while pressed (c) stays where you flip it (d) closes when tipped over
  12. 12.🔘 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
  13. 13.True or false: a toggle switch flips up or down. (a) False (b) True
  14. 14.True or false: a reed switch springs back when let go. (a) True (b) False
  15. 15.What does a slide switch do? (a) slides side to side (b) springs back when let go (c) flips up or down (d) closes near a magnet
  16. 16.What does a reed switch do? (a) springs back when let go (b) works only while pressed (c) flips up or down (d) closes near a magnet
  17. 17.🔘 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
  18. 18.🔘 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 OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  19. 19.True or false: a tilt switch closes when tipped over. (a) True (b) False
  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 OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  21. 21.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) only when both are ON (c) when either is ON (d) only when both are OFF
  22. 22.🔘 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
  23. 23.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a reed switch (c) a slide switch (d) a toggle switch
  24. 24.🔘 What does a switch do in a circuit? (a) changes the voltage (b) opens or closes the loop (c) makes electricity (d) stores current
  25. 25.🔘 A bulb and a cell are joined through 5 switches on 5 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.🔘 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
  27. 27.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  28. 28.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are ON (c) when both are OFF (d) never
  29. 29.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a tilt switch (c) a reed switch (d) a slide switch
  30. 30.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a push button (c) a reed switch (d) a toggle switch
  31. 31.What does a toggle switch do? (a) flips up or down (b) closes when tipped over (c) springs back when let go (d) closes near a magnet
  32. 32.🔘 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?
  33. 33.What does a push button do? (a) stays where you flip it (b) springs back when let go (c) slides side to side (d) closes near a magnet
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  35. 35.True or false: a slide switch slides side to side. (a) False (b) True
  36. 36.True or false: a reed switch closes near a magnet. (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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  38. 38.🔘 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) No (b) Yes
  39. 39.🔘 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
  40. 40.What does a tilt switch do? (a) stays where you flip it (b) works only while pressed (c) slides side to side (d) closes when tipped over

Answer key

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

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