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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 884 · 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 works only while pressed? (a) a reed switch (b) a slide switch (c) a tilt switch (d) a push button
  2. 2.🔘 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
  3. 3.🔘 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
  4. 4.What does a reed switch do? (a) closes near a magnet (b) stays where you flip it (c) flips up or down (d) works only while pressed
  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 ON, B is ON and C is ON. Does the bulb glow? (a) No (b) Yes
  6. 6.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) when both are OFF (c) never (d) when either is ON
  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 OFF. Does the bulb glow? (a) Yes (b) No
  8. 8.What does a slide switch do? (a) closes near a magnet (b) works only while pressed (c) slides side to side (d) flips up or down
  9. 9.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) never (c) when either is ON (d) only when both are OFF
  10. 10.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  11. 11.What does a toggle switch do? (a) works only while pressed (b) closes when tipped over (c) springs back when let go (d) stays where you flip it
  12. 12.True or false: a push button stays where you flip it. (a) True (b) False
  13. 13.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a tilt switch (c) a toggle switch (d) a slide switch
  14. 14.🔘 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?
  15. 15.True or false: a toggle switch closes when tipped over. (a) False (b) True
  16. 16.🔘 Which kind of switch closes when tipped over? (a) a push button (b) a tilt switch (c) a slide switch (d) a reed switch
  17. 17.What does a toggle switch do? (a) flips up or down (b) slides side to side (c) closes when tipped over (d) springs back when let go
  18. 18.What does a tilt switch do? (a) closes near a magnet (b) works only while pressed (c) closes when tipped over (d) stays where you flip it
  19. 19.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  20. 20.🔘 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
  21. 21.🔘 When a switch is ON, the circuit is … (a) cut (b) open (c) closed (d) broken
  22. 22.🔘 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
  23. 23.🔘 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
  24. 24.🔘 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 ON and D is ON. Does the bulb glow? (a) Yes (b) No
  25. 25.🔘 What does a switch do in a circuit? (a) stores current (b) opens or closes the loop (c) changes the voltage (d) makes electricity
  26. 26.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  27. 27.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a tilt switch (c) a push button (d) a slide switch
  28. 28.🔘 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
  29. 29.🔘 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
  30. 30.What does a push button do? (a) works only while pressed (b) stays where you flip it (c) flips up or down (d) slides side to side
  31. 31.True or false: a reed switch closes when tipped over. (a) False (b) True
  32. 32.🔘 Which kind of switch flips up or down? (a) a push button (b) a slide switch (c) a tilt switch (d) a toggle switch
  33. 33.🔘 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?
  34. 34.True or false: a reed switch slides side to side. (a) True (b) False
  35. 35.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a reed switch (c) a slide switch (d) a push button
  36. 36.True or false: a tilt switch closes near a magnet. (a) True (b) False
  37. 37.True or false: a reed switch closes near a magnet. (a) True (b) False
  38. 38.True or false: a slide switch slides side to side. (a) False (b) True
  39. 39.True or false: a slide switch closes when tipped over. (a) False (b) True
  40. 40.🔘 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

Answer key

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

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