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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 192 · 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 push button do? (a) closes near a magnet (b) stays where you flip it (c) works only while pressed (d) flips up or down
  2. 2.🔘 Which kind of switch flips up or down? (a) a push button (b) a tilt switch (c) a toggle switch (d) a slide switch
  3. 3.True or false: a reed switch closes near a magnet. (a) False (b) True
  4. 4.🔘 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?
  5. 5.True or false: a slide switch flips up or down. (a) True (b) False
  6. 6.🔘 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
  7. 7.🔘 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?
  8. 8.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  9. 9.🔘 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) No (b) Yes
  10. 10.🔘 A bulb and a cell are joined through 5 switches on 5 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?
  11. 11.🔘 Which kind of switch closes near a magnet? (a) a reed switch (b) a slide switch (c) a tilt switch (d) a toggle switch
  12. 12.🔘 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?
  13. 13.What does a toggle switch do? (a) springs back when let go (b) flips up or down (c) closes near a magnet (d) works only while pressed
  14. 14.🔘 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 ON, C is OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  15. 15.True or false: a reed switch slides side to side. (a) False (b) True
  16. 16.What does a push button do? (a) closes when tipped over (b) springs back when let go (c) slides side to side (d) flips up or down
  17. 17.What does a reed switch do? (a) flips up or down (b) stays where you flip it (c) slides side to side (d) closes near a magnet
  18. 18.True or false: a tilt switch closes near a magnet. (a) True (b) False
  19. 19.What does a slide switch do? (a) flips up or down (b) stays where you flip it (c) springs back when let go (d) slides side to side
  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) No (b) Yes
  21. 21.🔘 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
  22. 22.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) when either is ON (b) only when both are ON (c) only when both are OFF (d) never
  23. 23.🔘 What does a switch do in a circuit? (a) makes electricity (b) opens or closes the loop (c) changes the voltage (d) stores current
  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) Yes (b) No
  25. 25.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  26. 26.🔘 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?
  27. 27.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  28. 28.🔘 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
  29. 29.True or false: a tilt switch closes when tipped over. (a) True (b) False
  30. 30.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a toggle switch (c) a reed switch (d) a slide switch
  31. 31.🔘 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
  32. 32.🔘 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
  33. 33.🔘 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?
  34. 34.🔘 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 ON and C is ON. Does the bulb glow? (a) Yes (b) No
  35. 35.🔘 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) Yes (b) No
  36. 36.🔘 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
  37. 37.🔘 Which kind of switch springs back when let go? (a) a push button (b) a tilt switch (c) a toggle switch (d) a slide switch
  38. 38.🔘 When a switch is ON, the circuit is … (a) open (b) closed (c) cut (d) broken
  39. 39.What does a tilt switch do? (a) stays where you flip it (b) flips up or down (c) closes when tipped over (d) works only while pressed
  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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No

Answer key

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

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