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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 548 · 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 closes when tipped over? (a) a reed switch (b) a tilt switch (c) a toggle switch (d) a slide switch
  2. 2.True or false: a reed switch closes near a magnet. (a) True (b) False
  3. 3.🔘 Which kind of switch slides side to side? (a) a push button (b) a toggle switch (c) a reed switch (d) a slide switch
  4. 4.🔘 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) Yes (b) No
  5. 5.🔘 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
  6. 6.🔘 A bulb and a cell are joined through 5 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  7. 7.🔘 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) No (b) Yes
  8. 8.🔘 A bulb and a cell are joined through 4 switches on 4 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?
  9. 9.True or false: a push button closes when tipped over. (a) True (b) False
  10. 10.🔘 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
  11. 11.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when both are OFF (c) when either is ON (d) when both are ON
  12. 12.True or false: a toggle switch flips up or down. (a) False (b) True
  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 OFF, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  14. 14.What does a push button do? (a) slides side to side (b) closes near a magnet (c) works only while pressed (d) flips up or down
  15. 15.🔘 When a switch is ON, the circuit is … (a) broken (b) cut (c) closed (d) open
  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 ON, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  17. 17.What does a tilt switch do? (a) closes near a magnet (b) stays where you flip it (c) flips up or down (d) closes when tipped over
  18. 18.True or false: a reed switch slides side to side. (a) True (b) False
  19. 19.What does a push button do? (a) closes near a magnet (b) flips up or down (c) slides side to side (d) springs back when let go
  20. 20.🔘 Which kind of switch flips up or down? (a) a tilt switch (b) a toggle switch (c) a reed switch (d) a push button
  21. 21.True or false: a push button works only while pressed. (a) True (b) False
  22. 22.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) never (c) only when both are ON (d) only when both are OFF
  23. 23.What does a slide switch do? (a) works only while pressed (b) closes when tipped over (c) slides side to side (d) springs back when let go
  24. 24.🔘 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 OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  25. 25.🔘 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?
  26. 26.True or false: a toggle switch works only while pressed. (a) True (b) False
  27. 27.🔘 What does a switch do in a circuit? (a) changes the voltage (b) opens or closes the loop (c) makes electricity (d) stores current
  28. 28.What does a toggle switch do? (a) springs back when let go (b) closes near a magnet (c) flips up or down (d) closes when tipped over
  29. 29.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  30. 30.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  31. 31.🔘 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
  32. 32.True or false: a tilt switch closes when tipped over. (a) True (b) False
  33. 33.🔘 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?
  34. 34.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
  35. 35.What does a toggle switch do? (a) works only while pressed (b) stays where you flip it (c) closes near a magnet (d) slides side to side
  36. 36.🔘 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?
  37. 37.True or false: a slide switch closes near a magnet. (a) False (b) True
  38. 38.🔘 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 OFF and B 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 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 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

Answer key

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

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