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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 409 · 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.What does a slide switch do? (a) springs back when let go (b) closes when tipped over (c) works only while pressed (d) slides side to side
  2. 2.🔘 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
  3. 3.True or false: a toggle switch springs back when let go. (a) False (b) True
  4. 4.🔘 Which kind of switch springs back when let go? (a) a reed switch (b) a toggle switch (c) a push button (d) a slide switch
  5. 5.🔘 When a switch is ON, the circuit is … (a) cut (b) broken (c) closed (d) open
  6. 6.🔘 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
  7. 7.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) never (c) when both are ON (d) when either is ON
  8. 8.What does a toggle switch do? (a) works only while pressed (b) flips up or down (c) slides side to side (d) closes near a magnet
  9. 9.What does a push button do? (a) closes when tipped over (b) closes near a magnet (c) springs back when let go (d) flips up or down
  10. 10.What does a reed switch do? (a) flips up or down (b) slides side to side (c) closes when tipped over (d) closes near a magnet
  11. 11.True or false: a toggle switch flips up or down. (a) True (b) False
  12. 12.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a reed switch (c) a slide switch (d) a tilt switch
  13. 13.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  14. 14.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a push button (c) a tilt switch (d) a slide switch
  15. 15.🔘 What does a switch do in a circuit? (a) stores current (b) opens or closes the loop (c) makes electricity (d) changes the voltage
  16. 16.True or false: a push button closes near a magnet. (a) False (b) True
  17. 17.🔘 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
  18. 18.🔘 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 ON and D is OFF. Does the bulb glow? (a) Yes (b) No
  19. 19.🔘 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
  20. 20.🔘 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) 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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  22. 22.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  23. 23.What does a toggle switch do? (a) closes when tipped over (b) works only while pressed (c) slides side to side (d) stays where you flip it
  24. 24.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) when either is ON (c) only when both are ON (d) only when both are OFF
  25. 25.🔘 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?
  26. 26.True or false: a tilt switch stays where you flip it. (a) False (b) True
  27. 27.True or false: a toggle switch works only while pressed. (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 OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  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) No (b) Yes
  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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  31. 31.🔘 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) Yes (b) No
  32. 32.🔘 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) Yes (b) No
  33. 33.🔘 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
  34. 34.True or false: a slide switch slides side to side. (a) True (b) False
  35. 35.True or false: a tilt switch springs back when let go. (a) False (b) True
  36. 36.🔘 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
  37. 37.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a toggle switch (c) a slide switch (d) a push button
  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 ON, B is OFF, C is ON and D is ON. Does the bulb glow? (a) Yes (b) No
  39. 39.🔘 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) Yes (b) No
  40. 40.True or false: a reed switch stays where you flip it. (a) True (b) False

Answer key

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

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