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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 863 · 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 flips up or down? (a) a tilt switch (b) a slide switch (c) a toggle switch (d) a reed switch
  2. 2.🔘 When a switch is ON, the circuit is … (a) open (b) cut (c) broken (d) closed
  3. 3.True or false: a tilt switch closes when tipped over. (a) True (b) False
  4. 4.What does a slide switch do? (a) springs back when let go (b) works only while pressed (c) closes when tipped over (d) slides side to side
  5. 5.🔘 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) No (b) Yes
  6. 6.🔘 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) Yes (b) No
  7. 7.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) stores current (c) makes electricity (d) changes the voltage
  8. 8.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  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 ON. Does the bulb glow? (a) Yes (b) No
  10. 10.What does a push button do? (a) stays where you flip it (b) flips up or down (c) closes when tipped over (d) springs back when let go
  11. 11.What does a tilt switch do? (a) stays where you flip it (b) closes when tipped over (c) works only while pressed (d) closes near a magnet
  12. 12.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a toggle switch (c) a slide switch (d) a push button
  13. 13.True or false: a slide switch flips up or down. (a) False (b) True
  14. 14.True or false: a toggle switch flips up or down. (a) True (b) False
  15. 15.🔘 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?
  16. 16.🔘 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
  17. 17.What does a push button do? (a) closes when tipped over (b) flips up or down (c) stays where you flip it (d) works only while pressed
  18. 18.True or false: a tilt switch springs back when let go. (a) True (b) False
  19. 19.True or false: a push button flips up or down. (a) True (b) False
  20. 20.True or false: a toggle switch stays where you flip it. (a) True (b) False
  21. 21.🔘 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
  22. 22.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when both are ON (c) when either is ON (d) never
  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 OFF, B is ON and C is ON. Does the bulb glow? (a) Yes (b) No
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  25. 25.🔘 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) Yes (b) No
  26. 26.True or false: a push button closes when tipped over. (a) True (b) False
  27. 27.True or false: a push button stays where you flip it. (a) True (b) False
  28. 28.True or false: a slide switch slides side to side. (a) False (b) True
  29. 29.🔘 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
  30. 30.🔘 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
  31. 31.🔘 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 ON and C is ON. Does the bulb glow? (a) Yes (b) No
  32. 32.What does a toggle switch do? (a) stays where you flip it (b) closes when tipped over (c) works only while pressed (d) springs back when let go
  33. 33.True or false: a slide switch closes near a magnet. (a) False (b) True
  34. 34.🔘 Which kind of switch slides side to side? (a) a reed switch (b) a toggle switch (c) a slide switch (d) a push button
  35. 35.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) only when both are ON (c) never (d) when either is ON
  36. 36.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  37. 37.🔘 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) Yes (b) No
  38. 38.🔘 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) Yes (b) No
  39. 39.🔘 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) No (b) Yes
  40. 40.🔘 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) No (b) Yes

Answer key

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

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