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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 352 · 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 parallel (side by side). When does the bulb glow? (a) only when both are ON (b) never (c) only when both are OFF (d) when either is ON
  2. 2.🔘 What does a switch do in a circuit? (a) changes the voltage (b) stores current (c) makes electricity (d) opens or closes the loop
  3. 3.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a slide switch (c) a reed switch (d) a push button
  4. 4.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  5. 5.True or false: a slide switch springs back when let go. (a) True (b) False
  6. 6.🔘 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 OFF, C is OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  7. 7.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a push button (c) a reed switch (d) a tilt switch
  8. 8.True or false: a tilt switch stays where you flip it. (a) False (b) True
  9. 9.True or false: a toggle switch flips up or down. (a) True (b) False
  10. 10.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a reed switch (c) a toggle switch (d) a tilt switch
  11. 11.🔘 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
  12. 12.What does a slide switch do? (a) springs back when let go (b) flips up or down (c) slides side to side (d) works only while pressed
  13. 13.What does a push button do? (a) stays where you flip it (b) springs back when let go (c) flips up or down (d) slides side to side
  14. 14.🔘 When a switch is ON, the circuit is … (a) open (b) broken (c) closed (d) cut
  15. 15.🔘 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) No (b) Yes
  16. 16.True or false: a slide switch closes near a magnet. (a) False (b) True
  17. 17.🔘 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?
  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 OFF, B is ON, C is ON and D is ON. Does the bulb glow? (a) Yes (b) No
  19. 19.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  20. 20.What does a push button do? (a) works only while pressed (b) stays where you flip it (c) closes when tipped over (d) closes near a magnet
  21. 21.What does a tilt switch do? (a) works only while pressed (b) stays where you flip it (c) closes when tipped over (d) closes near a magnet
  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 OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  23. 23.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a tilt switch (c) a slide switch (d) a push button
  24. 24.🔘 Which kind of switch works only while pressed? (a) a slide switch (b) a tilt switch (c) a toggle switch (d) a push button
  25. 25.🔘 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
  26. 26.🔘 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?
  27. 27.What does a toggle switch do? (a) slides side to side (b) closes when tipped over (c) closes near a magnet (d) stays where you flip it
  28. 28.🔘 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
  29. 29.What does a reed switch do? (a) closes when tipped over (b) works only while pressed (c) flips up or down (d) closes near a magnet
  30. 30.True or false: a push button slides side to side. (a) True (b) False
  31. 31.🔘 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
  32. 32.🔘 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
  33. 33.🔘 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
  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 ON. Does the bulb glow? (a) No (b) Yes
  35. 35.True or false: a slide switch flips up or down. (a) False (b) True
  36. 36.🔘 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 OFF, C is OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  37. 37.🔘 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
  38. 38.True or false: a push button springs back when let go. (a) False (b) True
  39. 39.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a tilt switch (c) a slide switch (d) a push button
  40. 40.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes

Answer key

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

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