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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 158 · 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 reed switch works only while pressed. (a) False (b) True
  2. 2.🔘 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
  3. 3.🔘 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) No (b) Yes
  4. 4.What does a slide switch do? (a) closes near a magnet (b) closes when tipped over (c) works only while pressed (d) slides side to side
  5. 5.🔘 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?
  6. 6.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a reed switch (c) a push button (d) a tilt switch
  7. 7.What does a toggle switch do? (a) closes near a magnet (b) works only while pressed (c) stays where you flip it (d) closes when tipped over
  8. 8.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a push button (c) a tilt switch (d) a reed switch
  9. 9.🔘 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
  10. 10.🔘 What does a switch do in a circuit? (a) changes the voltage (b) opens or closes the loop (c) makes electricity (d) stores current
  11. 11.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a slide switch (c) a tilt switch (d) a reed switch
  12. 12.🔘 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
  13. 13.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a tilt switch (c) a push button (d) a reed switch
  14. 14.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) never (c) when either is ON (d) only when both are ON
  15. 15.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  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 ON, B is ON, C is OFF and D is OFF. Does the bulb glow? (a) No (b) Yes
  17. 17.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a toggle switch (c) a push button (d) a slide switch
  18. 18.🔘 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?
  19. 19.What does a tilt switch do? (a) closes near a magnet (b) closes when tipped over (c) flips up or down (d) stays where you flip it
  20. 20.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  21. 21.What does a push button do? (a) stays where you flip it (b) closes near a magnet (c) works only while pressed (d) closes when tipped over
  22. 22.🔘 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
  23. 23.True or false: a slide switch closes near a magnet. (a) False (b) True
  24. 24.True or false: a reed switch flips up or down. (a) True (b) False
  25. 25.🔘 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?
  26. 26.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  27. 27.🔘 When a switch is ON, the circuit is … (a) broken (b) closed (c) cut (d) open
  28. 28.True or false: a tilt switch closes when tipped over. (a) True (b) False
  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.What does a toggle switch do? (a) works only while pressed (b) closes near a magnet (c) flips up or down (d) springs back when let go
  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 ON. Does the bulb glow? (a) Yes (b) No
  32. 32.True or false: a push button closes near a magnet. (a) False (b) True
  33. 33.🔘 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
  34. 34.🔘 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
  35. 35.True or false: a toggle switch stays where you flip it. (a) False (b) True
  36. 36.🔘 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 OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  37. 37.🔘 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
  38. 38.🔘 Which kind of switch stays where you flip it? (a) a slide switch (b) a tilt switch (c) a reed switch (d) a toggle switch
  39. 39.True or false: a push button flips up or down. (a) True (b) False
  40. 40.🔘 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

Answer key

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

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