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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 354 · 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.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when either is ON (c) when both are ON (d) never
  2. 2.🔘 Which kind of switch springs back when let go? (a) a reed switch (b) a toggle switch (c) a slide switch (d) a push button
  3. 3.🔘 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
  4. 4.🔘 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) Yes (b) No
  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 slides side to side? (a) a toggle switch (b) a slide switch (c) a tilt switch (d) a reed switch
  7. 7.What does a push button do? (a) flips up or down (b) springs back when let go (c) slides side to side (d) closes when tipped over
  8. 8.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a reed switch (c) a push button (d) a toggle switch
  9. 9.🔘 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 OFF, B is ON, C is OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  10. 10.🔘 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
  11. 11.True or false: a push button springs back when let go. (a) False (b) True
  12. 12.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a reed switch (c) a push button (d) a slide switch
  13. 13.What does a push button do? (a) works only while pressed (b) flips up or down (c) slides side to side (d) closes when tipped over
  14. 14.True or false: a toggle switch springs back when let go. (a) False (b) True
  15. 15.🔘 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
  16. 16.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) when either is ON (c) only when both are OFF (d) never
  17. 17.What does a toggle switch do? (a) works only while pressed (b) flips up or down (c) closes near a magnet (d) slides side to side
  18. 18.🔘 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 OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  19. 19.🔘 When a switch is ON, the circuit is … (a) broken (b) open (c) cut (d) closed
  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) No (b) Yes
  21. 21.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  22. 22.🔘 Which kind of switch closes when tipped over? (a) a push button (b) a slide switch (c) a tilt switch (d) a toggle switch
  23. 23.True or false: a tilt switch closes when tipped over. (a) False (b) True
  24. 24.🔘 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
  25. 25.🔘 A cell, a bulb and switches A, B, C and D are joined one after another in a single loop (series). A is ON, B is OFF, C is ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  26. 26.What does a toggle switch do? (a) works only while pressed (b) slides side to side (c) stays where you flip it (d) springs back when let go
  27. 27.🔘 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
  28. 28.What does a slide switch do? (a) stays where you flip it (b) slides side to side (c) closes when tipped over (d) flips up or down
  29. 29.🔘 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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  30. 30.What does a reed switch do? (a) closes near a magnet (b) closes when tipped over (c) springs back when let go (d) stays where you flip it
  31. 31.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a slide switch (c) a push button (d) a toggle switch
  32. 32.True or false: a slide switch springs back when let go. (a) True (b) False
  33. 33.🔘 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
  34. 34.True or false: a slide switch closes when tipped over. (a) True (b) False
  35. 35.🔘 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 OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  36. 36.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  37. 37.🔘 What does a switch do in a circuit? (a) makes electricity (b) stores current (c) changes the voltage (d) opens or closes the loop
  38. 38.🔘 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?
  39. 39.True or false: a reed switch closes when tipped over. (a) False (b) True
  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) No (b) Yes

Answer key

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

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