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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 261 · 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.True or false: a push button works only while pressed. (a) False (b) True
  2. 2.What does a reed switch do? (a) flips up or down (b) slides side to side (c) closes near a magnet (d) closes when tipped over
  3. 3.🔘 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) No (b) Yes
  4. 4.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a slide switch (c) a tilt switch (d) a reed switch
  5. 5.What does a push button do? (a) closes near a magnet (b) flips up or down (c) springs back when let go (d) closes when tipped over
  6. 6.🔘 Which kind of switch springs back when let go? (a) a reed switch (b) a slide switch (c) a push button (d) a toggle switch
  7. 7.True or false: a slide switch springs back when let go. (a) True (b) False
  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 ON, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  9. 9.What does a slide switch do? (a) springs back when let go (b) stays where you flip it (c) works only while pressed (d) slides side to side
  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 OFF, B is ON and C is ON. Does the bulb glow? (a) No (b) Yes
  11. 11.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) never (c) when both are ON (d) when either is ON
  12. 12.True or false: a push button slides side to side. (a) True (b) False
  13. 13.What does a tilt switch do? (a) springs back when let go (b) flips up or down (c) closes near a magnet (d) closes when tipped over
  14. 14.🔘 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
  15. 15.True or false: a toggle switch stays where you flip it. (a) False (b) True
  16. 16.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a slide switch (c) a toggle switch (d) a push button
  17. 17.🔘 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) No (b) Yes
  18. 18.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a reed switch (c) a tilt switch (d) a push button
  19. 19.🔘 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
  20. 20.🔘 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
  21. 21.🔘 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?
  22. 22.🔘 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?
  23. 23.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a toggle switch (c) a slide switch (d) a reed switch
  24. 24.True or false: a tilt switch slides side to side. (a) True (b) False
  25. 25.What does a toggle switch do? (a) closes when tipped over (b) slides side to side (c) flips up or down (d) springs back when let go
  26. 26.True or false: a slide switch works only while pressed. (a) True (b) False
  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 OFF, B is ON, C is ON and D is ON. Does the bulb glow? (a) No (b) Yes
  28. 28.True or false: a toggle switch springs back when let go. (a) True (b) False
  29. 29.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a tilt switch
  30. 30.🔘 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 ON and D is ON. Does the bulb glow? (a) Yes (b) No
  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 OFF and B is ON. Does the bulb glow? (a) Yes (b) No
  32. 32.🔘 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
  33. 33.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a push button (c) a toggle switch (d) a tilt switch
  34. 34.What does a toggle switch do? (a) works only while pressed (b) closes when tipped over (c) stays where you flip it (d) springs back when let go
  35. 35.🔘 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
  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 OFF and B is OFF. Does the bulb glow? (a) Yes (b) No
  37. 37.🔘 What does a switch do in a circuit? (a) makes electricity (b) changes the voltage (c) opens or closes the loop (d) stores current
  38. 38.🔘 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) No (b) Yes
  39. 39.🔘 When a switch is ON, the circuit is … (a) closed (b) cut (c) open (d) broken
  40. 40.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) when either is ON (c) only when both are ON (d) never

Answer key

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

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