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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 70 · 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.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a toggle switch (c) a slide switch (d) a push button
  2. 2.🔘 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?
  3. 3.What does a push button do? (a) flips up or down (b) works only while pressed (c) closes when tipped over (d) stays where you flip it
  4. 4.True or false: a push button stays where you flip it. (a) False (b) True
  5. 5.🔘 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) Yes (b) No
  6. 6.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a slide switch (c) a push button (d) a tilt switch
  7. 7.🔘 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
  8. 8.What does a slide switch do? (a) springs back when let go (b) closes near a magnet (c) flips up or down (d) slides side to side
  9. 9.🔘 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) Yes (b) No
  10. 10.🔘 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?
  11. 11.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a slide switch (c) a push button (d) a tilt switch
  12. 12.What does a push button do? (a) slides side to side (b) flips up or down (c) closes near a magnet (d) springs back when let go
  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 ON, B is ON and C is ON. Does the bulb glow? (a) Yes (b) No
  14. 14.🔘 What does a switch do in a circuit? (a) stores current (b) opens or closes the loop (c) makes electricity (d) changes the voltage
  15. 15.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a reed switch (c) a tilt switch (d) a toggle switch
  16. 16.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a toggle switch (c) a reed switch (d) a push button
  17. 17.🔘 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
  18. 18.🔘 Which kind of switch closes near a magnet? (a) a reed switch (b) a toggle switch (c) a tilt switch (d) a slide switch
  19. 19.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  20. 20.🔘 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
  21. 21.🔘 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 OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  22. 22.🔘 When a switch is ON, the circuit is … (a) cut (b) open (c) closed (d) broken
  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 ON, C is OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  24. 24.What does a toggle switch do? (a) closes near a magnet (b) stays where you flip it (c) closes when tipped over (d) slides side to side
  25. 25.🔘 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
  26. 26.🔘 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
  27. 27.True or false: a slide switch slides side to side. (a) False (b) True
  28. 28.🔘 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 ON and D is ON. Does the bulb glow? (a) Yes (b) No
  29. 29.🔘 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 OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  30. 30.🔘 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
  31. 31.What does a tilt switch do? (a) flips up or down (b) closes when tipped over (c) closes near a magnet (d) works only while pressed
  32. 32.True or false: a toggle switch stays where you flip it. (a) False (b) True
  33. 33.True or false: a toggle switch flips up or down. (a) False (b) True
  34. 34.🔘 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) No (b) Yes
  35. 35.🔘 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) Yes (b) No
  36. 36.What does a reed switch do? (a) works only while pressed (b) closes near a magnet (c) springs back when let go (d) closes when tipped over
  37. 37.🔘 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
  38. 38.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  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 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) No (b) Yes

Answer key

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

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