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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 58 · 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 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) Yes (b) No
  2. 2.🔘 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
  3. 3.What does a reed switch do? (a) closes when tipped over (b) flips up or down (c) springs back when let go (d) closes near a magnet
  4. 4.True or false: a reed switch works only while pressed. (a) False (b) True
  5. 5.True or false: a slide switch springs back when let go. (a) False (b) True
  6. 6.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) only when both are ON (c) never (d) only when both are OFF
  7. 7.🔘 Which kind of switch flips up or down? (a) a push button (b) a reed switch (c) a toggle switch (d) a tilt switch
  8. 8.What does a toggle switch do? (a) closes when tipped over (b) works only while pressed (c) springs back when let go (d) stays where you flip it
  9. 9.True or false: a push button works only while pressed. (a) True (b) False
  10. 10.🔘 When a switch is ON, the circuit is … (a) cut (b) broken (c) open (d) closed
  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 ON. Does the bulb glow? (a) No (b) Yes
  12. 12.🔘 What does a switch do in a circuit? (a) stores current (b) changes the voltage (c) makes electricity (d) opens or closes the loop
  13. 13.🔘 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
  14. 14.🔘 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
  15. 15.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) when either is ON (c) when both are OFF (d) never
  16. 16.🔘 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
  17. 17.True or false: a tilt switch springs back when let go. (a) False (b) True
  18. 18.True or false: a reed switch closes near a magnet. (a) True (b) False
  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 ON. Does the bulb glow? (a) No (b) Yes
  20. 20.🔘 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
  21. 21.🔘 Which kind of switch closes near a magnet? (a) a tilt switch (b) a push button (c) a reed switch (d) a slide switch
  22. 22.What does a toggle switch do? (a) closes when tipped over (b) closes near a magnet (c) flips up or down (d) works only while pressed
  23. 23.🔘 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 OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  24. 24.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  25. 25.🔘 Which kind of switch springs back when let go? (a) a reed switch (b) a push button (c) a toggle switch (d) a tilt switch
  26. 26.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a reed switch (c) a slide switch (d) a push button
  27. 27.What does a slide switch do? (a) works only while pressed (b) slides side to side (c) stays where you flip it (d) closes when tipped over
  28. 28.🔘 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
  29. 29.What does a push button do? (a) springs back when let go (b) flips up or down (c) closes when tipped over (d) slides side to side
  30. 30.🔘 A bulb and a cell are joined through 6 switches on 6 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?
  31. 31.🔘 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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  32. 32.🔘 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) No (b) Yes
  33. 33.True or false: a toggle switch slides side to side. (a) False (b) True
  34. 34.🔘 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
  35. 35.🔘 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) Yes (b) No
  36. 36.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a tilt switch (c) a push button (d) a slide switch
  37. 37.True or false: a toggle switch works only while pressed. (a) False (b) True
  38. 38.True or false: a toggle switch stays where you flip it. (a) True (b) False
  39. 39.🔘 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
  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 ON, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes

Answer key

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

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