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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 556 · 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 and B are joined one after another in a single loop (series). A is OFF and B is ON. Does the bulb glow? (a) No (b) Yes
  2. 2.What does a toggle switch do? (a) slides side to side (b) stays where you flip it (c) closes near a magnet (d) closes when tipped over
  3. 3.True or false: a tilt switch springs back when let go. (a) True (b) False
  4. 4.🔘 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
  5. 5.What does a tilt switch do? (a) springs back when let go (b) closes when tipped over (c) works only while pressed (d) slides side to side
  6. 6.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a push button (c) a toggle switch (d) a slide switch
  7. 7.True or false: a push button stays where you flip it. (a) False (b) True
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  9. 9.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a reed switch (c) a push button (d) a toggle switch
  10. 10.🔘 When a switch is ON, the circuit is … (a) closed (b) broken (c) cut (d) open
  11. 11.True or false: a toggle switch stays where you flip it. (a) True (b) False
  12. 12.True or false: a slide switch slides side to side. (a) False (b) True
  13. 13.🔘 A bulb and a cell are joined through 2 switches on 2 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?
  14. 14.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) never (c) only when both are OFF (d) only when both are ON
  15. 15.What does a slide switch do? (a) springs back when let go (b) works only while pressed (c) slides side to side (d) closes near a magnet
  16. 16.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) never (c) when either is ON (d) when both are OFF
  17. 17.True or false: a reed switch slides side to side. (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 ON, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  19. 19.🔘 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?
  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 ON, B is ON and C is ON. Does the bulb glow? (a) Yes (b) No
  21. 21.🔘 What does a switch do in a circuit? (a) stores current (b) changes the voltage (c) makes electricity (d) opens or closes the loop
  22. 22.What does a push button do? (a) stays where you flip it (b) closes near a magnet (c) works only while pressed (d) slides side to side
  23. 23.What does a reed switch do? (a) works only while pressed (b) closes near a magnet (c) closes when tipped over (d) flips up or down
  24. 24.True or false: a toggle switch flips up or down. (a) False (b) True
  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.🔘 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
  27. 27.🔘 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) Yes (b) No
  28. 28.🔘 Which kind of switch works only while pressed? (a) a push button (b) a toggle switch (c) a reed switch (d) a slide switch
  29. 29.True or false: a reed switch stays where you flip it. (a) False (b) True
  30. 30.True or false: a push button springs back when let go. (a) False (b) True
  31. 31.🔘 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
  32. 32.🔘 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
  33. 33.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a slide switch (c) a tilt switch (d) a push button
  34. 34.🔘 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?
  35. 35.What does a toggle switch do? (a) works only while pressed (b) flips up or down (c) slides side to side (d) closes near a magnet
  36. 36.🔘 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
  37. 37.🔘 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?
  38. 38.True or false: a tilt switch works only while pressed. (a) False (b) True
  39. 39.🔘 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 ON and B is OFF. Does the bulb glow? (a) No (b) Yes
  40. 40.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a push button (c) a toggle switch (d) a slide switch

Answer key

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

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