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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 641 · 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, B and C are joined one after another in a single loop (series). A is ON, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  2. 2.🔘 Which kind of switch works only while pressed? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a push button
  3. 3.🔘 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
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  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 OFF. Does the bulb glow? (a) Yes (b) No
  6. 6.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a push button (c) a toggle switch (d) a slide switch
  7. 7.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a push button (c) a reed switch (d) a toggle switch
  8. 8.🔘 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
  9. 9.What does a push button do? (a) flips up or down (b) closes near a magnet (c) stays where you flip it (d) works only while pressed
  10. 10.🔘 What does a switch do in a circuit? (a) changes the voltage (b) makes electricity (c) opens or closes the loop (d) stores current
  11. 11.What does a slide switch do? (a) slides side to side (b) works only while pressed (c) springs back when let go (d) flips up or down
  12. 12.True or false: a push button closes near a magnet. (a) False (b) True
  13. 13.🔘 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
  14. 14.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) when either is ON (c) only when both are ON (d) only when both are OFF
  15. 15.True or false: a toggle switch flips up or down. (a) False (b) True
  16. 16.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a slide switch (c) a reed switch (d) a tilt switch
  17. 17.What does a tilt switch do? (a) closes when tipped over (b) springs back when let go (c) stays where you flip it (d) closes near a magnet
  18. 18.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a reed switch (c) a push button (d) a tilt switch
  19. 19.True or false: a reed switch closes when tipped over. (a) False (b) True
  20. 20.🔘 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?
  21. 21.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a toggle switch (c) a tilt switch (d) a slide switch
  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 ON and C is ON. Does the bulb glow? (a) No (b) Yes
  23. 23.🔘 When a switch is ON, the circuit is … (a) broken (b) closed (c) open (d) cut
  24. 24.🔘 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
  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 OFF. Does the bulb glow? (a) Yes (b) No
  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 OFF, B is ON and C is ON. Does the bulb glow? (a) Yes (b) No
  27. 27.🔘 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 OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  28. 28.🔘 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 OFF, C is ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  29. 29.What does a reed switch do? (a) slides side to side (b) closes near a magnet (c) stays where you flip it (d) closes when tipped over
  30. 30.🔘 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) No (b) Yes
  31. 31.🔘 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
  32. 32.🔘 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?
  33. 33.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  34. 34.True or false: a slide switch slides side to side. (a) True (b) False
  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 OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  36. 36.What does a push button do? (a) closes near a magnet (b) slides side to side (c) stays where you flip it (d) springs back when let go
  37. 37.🔘 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) Yes (b) No
  38. 38.🔘 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) Yes (b) No
  39. 39.🔘 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?
  40. 40.🔘 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

Answer key

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

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