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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 938 · 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 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
  2. 2.🔘 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
  3. 3.🔘 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
  4. 4.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) stores current (c) changes the voltage (d) makes electricity
  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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  6. 6.What does a toggle switch do? (a) closes near a magnet (b) slides side to side (c) springs back when let go (d) flips up or down
  7. 7.🔘 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
  8. 8.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a push button (c) a toggle switch (d) a slide switch
  9. 9.🔘 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
  10. 10.🔘 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
  11. 11.What does a slide switch do? (a) closes near a magnet (b) works only while pressed (c) flips up or down (d) slides side to side
  12. 12.🔘 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
  13. 13.🔘 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
  14. 14.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a reed switch (c) a slide switch (d) a push button
  15. 15.True or false: a toggle switch flips up or down. (a) False (b) True
  16. 16.True or false: a tilt switch works only while pressed. (a) False (b) True
  17. 17.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a tilt switch (c) a slide switch (d) a reed switch
  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.🔘 Which kind of switch springs back when let go? (a) a push button (b) a toggle switch (c) a reed switch (d) a tilt switch
  20. 20.True or false: a tilt switch springs back when let go. (a) True (b) False
  21. 21.What does a push button do? (a) slides side to side (b) flips up or down (c) stays where you flip it (d) works only while pressed
  22. 22.🔘 A bulb and a cell are joined through 6 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.🔘 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
  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 stays where you flip it? (a) a reed switch (b) a toggle switch (c) a slide switch (d) a push button
  26. 26.What does a reed switch do? (a) works only while pressed (b) stays where you flip it (c) slides side to side (d) closes near a magnet
  27. 27.🔘 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) Yes (b) No
  28. 28.True or false: a push button stays where you flip it. (a) False (b) True
  29. 29.True or false: a push button works only while pressed. (a) False (b) True
  30. 30.🔘 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?
  31. 31.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a toggle switch (c) a slide switch (d) a push button
  32. 32.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  33. 33.True or false: a push button springs back when let go. (a) False (b) True
  34. 34.True or false: a toggle switch springs back when let go. (a) False (b) True
  35. 35.What does a tilt switch do? (a) closes near a magnet (b) flips up or down (c) springs back when let go (d) closes when tipped over
  36. 36.True or false: a push button closes when tipped over. (a) True (b) False
  37. 37.True or false: a slide switch slides side to side. (a) True (b) False
  38. 38.What does a toggle switch do? (a) closes when tipped over (b) stays where you flip it (c) closes near a magnet (d) springs back when let go
  39. 39.🔘 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 OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  40. 40.🔘 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 ON and D is OFF. Does the bulb glow? (a) No (b) Yes

Answer key

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

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