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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 227 · 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.True or false: a toggle switch stays where you flip it. (a) True (b) False
  2. 2.What does a tilt switch do? (a) flips up or down (b) closes near a magnet (c) works only while pressed (d) closes when tipped over
  3. 3.True or false: a toggle switch closes near a magnet. (a) True (b) False
  4. 4.🔘 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
  5. 5.🔘 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
  6. 6.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a toggle switch (c) a tilt switch (d) a push button
  7. 7.True or false: a slide switch slides side to side. (a) False (b) True
  8. 8.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) never (c) only when both are ON (d) when either is ON
  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 ON, B is OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  10. 10.What does a slide switch do? (a) slides side to side (b) works only while pressed (c) closes near a magnet (d) flips up or down
  11. 11.🔘 Which kind of switch springs back when let go? (a) a reed switch (b) a slide switch (c) a tilt switch (d) a push button
  12. 12.True or false: a tilt switch closes when tipped over. (a) False (b) True
  13. 13.🔘 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?
  14. 14.True or false: a toggle switch springs back when let go. (a) False (b) True
  15. 15.What does a push button do? (a) flips up or down (b) stays where you flip it (c) springs back when let go (d) closes near a magnet
  16. 16.🔘 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?
  17. 17.True or false: a reed switch stays where you flip it. (a) False (b) True
  18. 18.True or false: a toggle switch flips up or down. (a) True (b) False
  19. 19.🔘 What does a switch do in a circuit? (a) makes electricity (b) stores current (c) opens or closes the loop (d) changes the voltage
  20. 20.🔘 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
  21. 21.What does a toggle switch do? (a) flips up or down (b) closes near a magnet (c) closes when tipped over (d) works only while pressed
  22. 22.🔘 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
  23. 23.🔘 When a switch is ON, the circuit is … (a) closed (b) broken (c) cut (d) open
  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 ON, C is ON and D is ON. Does the bulb glow? (a) No (b) Yes
  25. 25.True or false: a tilt switch flips up or down. (a) True (b) False
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  27. 27.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a slide switch (c) a tilt switch (d) a push button
  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 ON, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  29. 29.🔘 A bulb and a cell are joined through 2 switches on 2 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.🔘 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
  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 ON, B is ON and C is OFF. 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) springs back when let go (d) closes near a magnet
  33. 33.What does a push button do? (a) flips up or down (b) stays where you flip it (c) slides side to side (d) works only while pressed
  34. 34.🔘 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
  35. 35.True or false: a reed switch closes when tipped over. (a) False (b) True
  36. 36.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a push button (c) a reed switch (d) a slide switch
  37. 37.What does a reed switch do? (a) closes near a magnet (b) works only while pressed (c) closes when tipped over (d) stays where you flip it
  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 OFF and C is OFF. 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 OFF, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  40. 40.True or false: a push button stays where you flip it. (a) True (b) False

Answer key

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

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