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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 653 · 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.What does a slide switch do? (a) flips up or down (b) springs back when let go (c) slides side to side (d) stays where you flip it
  2. 2.🔘 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
  3. 3.🔘 What does a switch do in a circuit? (a) stores current (b) changes the voltage (c) makes electricity (d) opens or closes the loop
  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 OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  5. 5.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a tilt switch (c) a push button (d) a reed switch
  6. 6.True or false: a push button springs back when let go. (a) False (b) True
  7. 7.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are OFF (c) never (d) when both are ON
  8. 8.🔘 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 OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  9. 9.🔘 When a switch is ON, the circuit is … (a) broken (b) open (c) cut (d) closed
  10. 10.🔘 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?
  11. 11.🔘 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) Yes (b) No
  12. 12.🔘 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
  13. 13.🔘 Which kind of switch flips up or down? (a) a push button (b) a reed switch (c) a slide switch (d) a toggle switch
  14. 14.True or false: a reed switch stays where you flip it. (a) True (b) False
  15. 15.🔘 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) No (b) Yes
  16. 16.🔘 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
  17. 17.True or false: a toggle switch flips up or down. (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) Yes (b) No
  19. 19.🔘 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
  20. 20.🔘 A cell and a bulb are joined to 4 side-by-side paths with one switch on each path — A, B, C and D (parallel). A is ON, B is ON, C is ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  21. 21.True or false: a slide switch springs back when let go. (a) True (b) False
  22. 22.What does a reed switch do? (a) flips up or down (b) closes near a magnet (c) slides side to side (d) springs back when let go
  23. 23.🔘 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
  24. 24.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a slide switch (c) a push button (d) a toggle switch
  25. 25.🔘 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) Yes (b) No
  26. 26.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a toggle switch (c) a push button (d) a reed switch
  27. 27.What does a push button do? (a) stays where you flip it (b) slides side to side (c) flips up or down (d) works only while pressed
  28. 28.🔘 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?
  29. 29.What does a toggle switch do? (a) closes when tipped over (b) slides side to side (c) stays where you flip it (d) springs back when let go
  30. 30.True or false: a tilt switch closes when tipped over. (a) False (b) True
  31. 31.🔘 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
  32. 32.🔘 Which kind of switch works only while pressed? (a) a push button (b) a toggle 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.🔘 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
  35. 35.🔘 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) No (b) Yes
  36. 36.True or false: a slide switch closes when tipped over. (a) False (b) True
  37. 37.What does a tilt switch do? (a) stays where you flip it (b) closes near a magnet (c) flips up or down (d) closes when tipped over
  38. 38.True or false: a toggle switch stays where you flip it. (a) False (b) True
  39. 39.True or false: a push button works only while pressed. (a) True (b) False
  40. 40.True or false: a tilt switch springs back when let go. (a) True (b) False

Answer key

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

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