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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 63 · 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 toggle switch do? (a) slides side to side (b) flips up or down (c) works only while pressed (d) closes near a magnet
  2. 2.🔘 When a switch is ON, the circuit is … (a) broken (b) cut (c) open (d) closed
  3. 3.What does a push button do? (a) flips up or down (b) closes near a magnet (c) springs back when let go (d) closes when tipped over
  4. 4.🔘 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) 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) No (b) Yes
  6. 6.🔘 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
  7. 7.True or false: a push button flips up or down. (a) True (b) False
  8. 8.🔘 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 ON and D is ON. Does the bulb glow? (a) Yes (b) No
  9. 9.🔘 Which kind of switch closes when tipped over? (a) a reed switch (b) a tilt switch (c) a slide switch (d) a toggle switch
  10. 10.🔘 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) Yes (b) No
  11. 11.🔘 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
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  14. 14.True or false: a tilt switch closes near a magnet. (a) True (b) False
  15. 15.🔘 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?
  16. 16.🔘 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) Yes (b) No
  17. 17.True or false: a toggle switch slides side to side. (a) True (b) False
  18. 18.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a reed switch (c) a push button (d) a tilt switch
  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) No (b) Yes
  20. 20.What does a tilt switch do? (a) closes when tipped over (b) flips up or down (c) slides side to side (d) springs back when let go
  21. 21.🔘 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?
  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 OFF (c) never (d) only when both are ON
  23. 23.What does a reed switch do? (a) closes near a magnet (b) slides side to side (c) closes when tipped over (d) stays where you flip it
  24. 24.🔘 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
  25. 25.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  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 ON. Does the bulb glow? (a) Yes (b) No
  27. 27.🔘 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 ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  28. 28.🔘 Which kind of switch flips up or down? (a) a push button (b) a slide switch (c) a tilt switch (d) a toggle switch
  29. 29.🔘 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 ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  30. 30.🔘 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
  31. 31.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) stores current (c) changes the voltage (d) makes electricity
  32. 32.🔘 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 ON, C is OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  33. 33.True or false: a tilt switch works only while pressed. (a) True (b) False
  34. 34.What does a slide switch do? (a) stays where you flip it (b) flips up or down (c) springs back when let go (d) slides side to side
  35. 35.What does a toggle switch do? (a) stays where you flip it (b) works only while pressed (c) springs back when let go (d) slides side to side
  36. 36.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a toggle switch (c) a reed switch (d) a slide switch
  37. 37.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a push button (c) a tilt switch (d) a reed switch
  38. 38.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
  39. 39.🔘 A bulb and a cell are joined through 2 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  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 ON, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No

Answer key

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

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