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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 687 · 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 ON. Does the bulb glow? (a) No (b) Yes
  2. 2.True or false: a push button closes near a magnet. (a) False (b) True
  3. 3.🔘 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) never (d) only when both are OFF
  4. 4.🔘 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
  5. 5.🔘 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) Yes (b) No
  6. 6.🔘 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
  7. 7.What does a slide switch do? (a) closes near a magnet (b) stays where you flip it (c) slides side to side (d) springs back when let go
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  9. 9.True or false: a tilt switch closes when tipped over. (a) True (b) False
  10. 10.What does a push button do? (a) flips up or down (b) closes when tipped over (c) works only while pressed (d) stays where you flip it
  11. 11.What does a tilt switch do? (a) closes near a magnet (b) closes when tipped over (c) springs back when let go (d) works only while pressed
  12. 12.What does a reed switch do? (a) works only while pressed (b) flips up or down (c) stays where you flip it (d) closes near a magnet
  13. 13.🔘 What does a switch do in a circuit? (a) changes the voltage (b) makes electricity (c) opens or closes the loop (d) stores current
  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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  15. 15.True or false: a reed switch slides side to side. (a) True (b) False
  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 ON. Does the bulb glow? (a) Yes (b) No
  17. 17.True or false: a tilt switch works only while pressed. (a) True (b) False
  18. 18.What does a toggle switch do? (a) closes near a magnet (b) stays where you flip it (c) closes when tipped over (d) works only while pressed
  19. 19.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when both are ON (c) never (d) when either is ON
  20. 20.🔘 Which kind of switch slides side to side? (a) a push button (b) a toggle switch (c) a reed switch (d) a slide switch
  21. 21.🔘 When a switch is ON, the circuit is … (a) closed (b) open (c) broken (d) cut
  22. 22.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a reed switch (c) a push button (d) a toggle switch
  23. 23.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a slide switch (c) a reed switch (d) a push button
  24. 24.True or false: a reed switch closes near a magnet. (a) True (b) False
  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 OFF, B is OFF, C is ON and D is OFF. Does the bulb glow? (a) Yes (b) No
  26. 26.🔘 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?
  27. 27.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a toggle switch (c) a tilt switch (d) a push button
  28. 28.🔘 Which kind of switch flips up or down? (a) a push button (b) a slide switch (c) a toggle switch (d) a reed switch
  29. 29.🔘 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) Yes (b) No
  30. 30.🔘 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
  31. 31.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a push button (c) a toggle switch (d) a slide switch
  32. 32.True or false: a reed switch works only while pressed. (a) False (b) True
  33. 33.🔘 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 ON, C is ON and D is OFF. Does the bulb glow? (a) Yes (b) No
  34. 34.🔘 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
  35. 35.🔘 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
  36. 36.🔘 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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  37. 37.What does a push button do? (a) closes when tipped over (b) springs back when let go (c) closes near a magnet (d) slides side to side
  38. 38.True or false: a slide switch springs back when let go. (a) True (b) False
  39. 39.🔘 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?
  40. 40.True or false: a push button springs back when let go. (a) True (b) False

Answer key

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

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