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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 832 · 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 works only while pressed? (a) a push button (b) a toggle switch (c) a reed switch (d) a slide switch
  2. 2.🔘 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) No (b) Yes
  3. 3.What does a tilt switch do? (a) stays where you flip it (b) closes near a magnet (c) closes when tipped over (d) slides side to side
  4. 4.What does a slide switch do? (a) stays where you flip it (b) slides side to side (c) springs back when let go (d) flips up or down
  5. 5.True or false: a toggle switch stays where you flip it. (a) False (b) True
  6. 6.True or false: a push button works only while pressed. (a) False (b) True
  7. 7.What does a toggle switch do? (a) closes when tipped over (b) flips up or down (c) springs back when let go (d) closes near a magnet
  8. 8.🔘 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
  9. 9.🔘 A bulb and a cell are joined through 4 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.🔘 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
  11. 11.🔘 What does a switch do in a circuit? (a) stores current (b) opens or closes the loop (c) makes electricity (d) changes the voltage
  12. 12.🔘 When a switch is ON, the circuit is … (a) open (b) closed (c) broken (d) cut
  13. 13.What does a reed switch do? (a) closes when tipped over (b) springs back when let go (c) closes near a magnet (d) flips up or down
  14. 14.🔘 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
  15. 15.🔘 A bulb and a cell are joined through 3 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  16. 16.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  17. 17.True or false: a tilt switch springs back when let go. (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 OFF. Does the bulb glow? (a) No (b) Yes
  19. 19.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a slide switch (c) a push button (d) a reed switch
  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 OFF and B is ON. Does the bulb glow? (a) No (b) Yes
  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 ON, B is ON and C is ON. Does the bulb glow? (a) No (b) Yes
  22. 22.🔘 Which kind of switch springs back when let go? (a) a reed switch (b) a slide switch (c) a push button (d) a tilt switch
  23. 23.🔘 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
  24. 24.True or false: a toggle switch works only while pressed. (a) False (b) True
  25. 25.🔘 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) Yes (b) No
  26. 26.True or false: a reed switch flips up or down. (a) True (b) False
  27. 27.🔘 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?
  28. 28.🔘 Which kind of switch closes near a magnet? (a) a reed switch (b) a push button (c) a tilt switch (d) a slide switch
  29. 29.🔘 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
  30. 30.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) only when both are ON (c) only when both are OFF (d) when either is ON
  31. 31.🔘 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?
  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.🔘 Which kind of switch slides side to side? (a) a reed switch (b) a slide switch (c) a toggle switch (d) a tilt switch
  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 OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  35. 35.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a reed switch (c) a push button (d) a toggle switch
  36. 36.True or false: a toggle switch closes when tipped over. (a) True (b) False
  37. 37.What does a push button do? (a) works only while pressed (b) closes when tipped over (c) slides side to side (d) closes near a magnet
  38. 38.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) never (c) when both are ON (d) when either is ON
  39. 39.True or false: a slide switch slides side to side. (a) False (b) True
  40. 40.True or false: a toggle switch springs back when let go. (a) True (b) False

Answer key

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

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