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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 491 · 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 series. When does the bulb glow? (a) when both are OFF (b) never (c) when either is ON (d) when both are ON
  2. 2.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a reed switch (c) a slide switch (d) a push button
  3. 3.🔘 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
  4. 4.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a push button (c) a reed switch (d) a slide switch
  5. 5.🔘 When a switch is ON, the circuit is … (a) cut (b) broken (c) closed (d) open
  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 ON. Does the bulb glow? (a) Yes (b) No
  7. 7.🔘 Which kind of switch works only while pressed? (a) a push button (b) a toggle switch (c) a slide switch (d) a tilt switch
  8. 8.What does a toggle switch do? (a) works only while pressed (b) slides side to side (c) closes when tipped over (d) flips up or down
  9. 9.True or false: a slide switch closes when tipped over. (a) False (b) True
  10. 10.🔘 A bulb and a cell are joined through 5 switches on 5 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?
  11. 11.🔘 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 ON and C is ON. Does the bulb glow? (a) No (b) Yes
  12. 12.What does a push button do? (a) slides side to side (b) stays where you flip it (c) flips up or down (d) works only while pressed
  13. 13.What does a slide switch do? (a) slides side to side (b) stays where you flip it (c) works only while pressed (d) closes when tipped over
  14. 14.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) never (c) only when both are ON (d) only when both are OFF
  15. 15.🔘 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
  16. 16.What does a toggle switch do? (a) springs back when let go (b) stays where you flip it (c) slides side to side (d) works only while pressed
  17. 17.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  18. 18.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a push button (c) a slide switch (d) a reed switch
  19. 19.What does a tilt switch do? (a) works only while pressed (b) flips up or down (c) closes near a magnet (d) closes when tipped over
  20. 20.🔘 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) Yes (b) No
  21. 21.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a push button (c) a tilt switch (d) a toggle switch
  22. 22.🔘 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
  23. 23.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a push button (c) a tilt switch (d) a toggle switch
  24. 24.🔘 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
  25. 25.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a tilt switch (c) a push button (d) a toggle switch
  26. 26.🔘 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) Yes (b) No
  27. 27.🔘 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?
  28. 28.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  29. 29.🔘 A bulb and a cell are joined through 3 switches on 3 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?
  30. 30.True or false: a toggle switch stays where you flip it. (a) True (b) False
  31. 31.🔘 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
  32. 32.True or false: a push button springs back when let go. (a) False (b) True
  33. 33.🔘 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 ON, C is OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  34. 34.🔘 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) No (b) Yes
  35. 35.🔘 What does a switch do in a circuit? (a) changes the voltage (b) stores current (c) makes electricity (d) opens or closes the loop
  36. 36.What does a push button do? (a) closes near a magnet (b) slides side to side (c) closes when tipped over (d) springs back when let go
  37. 37.🔘 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
  38. 38.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  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 ON. Does the bulb glow? (a) No (b) Yes
  40. 40.🔘 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

Answer key

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

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