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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 482 · 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.🔘 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) No (b) Yes
  2. 2.True or false: a slide switch works only while pressed. (a) True (b) False
  3. 3.🔘 What does a switch do in a circuit? (a) makes electricity (b) stores current (c) opens or closes the loop (d) changes the voltage
  4. 4.🔘 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?
  5. 5.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) never (c) only when both are OFF (d) when either is ON
  6. 6.🔘 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) Yes (b) No
  7. 7.🔘 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
  8. 8.🔘 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) No (b) Yes
  9. 9.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a push button (c) a slide switch (d) a reed switch
  10. 10.🔘 When a switch is ON, the circuit is … (a) broken (b) cut (c) open (d) closed
  11. 11.What does a slide switch do? (a) slides side to side (b) closes when tipped over (c) stays where you flip it (d) flips up or down
  12. 12.🔘 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
  13. 13.True or false: a push button slides side to side. (a) True (b) False
  14. 14.What does a reed switch do? (a) closes near a magnet (b) closes when tipped over (c) flips up or down (d) slides side to side
  15. 15.What does a tilt switch do? (a) springs back when let go (b) closes when tipped over (c) slides side to side (d) flips up or down
  16. 16.What does a push button do? (a) springs back when let go (b) slides side to side (c) flips up or down (d) stays where you flip it
  17. 17.What does a push button do? (a) works only while pressed (b) flips up or down (c) closes when tipped over (d) closes near a magnet
  18. 18.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when either is ON (c) never (d) when both are ON
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  20. 20.True or false: a toggle switch works only while pressed. (a) True (b) False
  21. 21.True or false: a tilt switch flips up or down. (a) False (b) True
  22. 22.🔘 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
  23. 23.True or false: a push button flips up or down. (a) False (b) True
  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 OFF, B is ON and C is ON. Does the bulb glow? (a) No (b) Yes
  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 push button springs back when let go. (a) False (b) True
  27. 27.True or false: a push button stays where you flip it. (a) False (b) True
  28. 28.What does a toggle switch do? (a) slides side to side (b) closes near a magnet (c) works only while pressed (d) flips up or down
  29. 29.🔘 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
  30. 30.🔘 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?
  31. 31.True or false: a slide switch springs back when let go. (a) False (b) True
  32. 32.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a slide switch (c) a toggle switch (d) a tilt switch
  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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  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 OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  35. 35.🔘 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
  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 ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  37. 37.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  38. 38.🔘 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?
  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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  40. 40.🔘 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) No (b) Yes

Answer key

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

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