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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 926 · 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, 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
  2. 2.🔘 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) No (b) Yes
  3. 3.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  5. 5.🔘 Which kind of switch works only while pressed? (a) a toggle switch (b) a tilt switch (c) a push button (d) a slide switch
  6. 6.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a slide switch (c) a push button (d) a tilt switch
  7. 7.What does a slide switch do? (a) works only while pressed (b) slides side to side (c) closes when tipped over (d) flips up or down
  8. 8.🔘 When a switch is ON, the circuit is … (a) cut (b) broken (c) open (d) closed
  9. 9.What does a reed switch do? (a) flips up or down (b) closes near a magnet (c) stays where you flip it (d) springs back when let go
  10. 10.🔘 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) No (b) Yes
  11. 11.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  12. 12.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  13. 13.What does a push button do? (a) springs back when let go (b) closes when tipped over (c) closes near a magnet (d) stays where you flip it
  14. 14.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a reed switch (c) a toggle switch (d) a push button
  15. 15.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
  16. 16.What does a toggle switch do? (a) stays where you flip it (b) springs back when let go (c) closes when tipped over (d) slides side to side
  17. 17.True or false: a push button springs back when let go. (a) True (b) False
  18. 18.🔘 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
  19. 19.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are ON (c) never (d) when both are OFF
  20. 20.🔘 What does a switch do in a circuit? (a) changes the voltage (b) opens or closes the loop (c) makes electricity (d) stores current
  21. 21.🔘 Which kind of switch flips up or down? (a) a tilt switch (b) a slide switch (c) a push button (d) a toggle switch
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) No (b) Yes
  23. 23.🔘 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?
  24. 24.🔘 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
  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 OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  26. 26.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a tilt switch (c) a toggle switch (d) a push button
  27. 27.What does a tilt switch do? (a) closes near a magnet (b) closes when tipped over (c) stays where you flip it (d) springs back when let go
  28. 28.🔘 Which kind of switch springs back when let go? (a) a toggle switch (b) a push button (c) a slide switch (d) a tilt switch
  29. 29.True or false: a toggle switch works only while pressed. (a) False (b) True
  30. 30.True or false: a toggle switch slides side to side. (a) False (b) True
  31. 31.True or false: a tilt switch stays where you flip it. (a) True (b) False
  32. 32.🔘 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 OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  33. 33.True or false: a toggle switch flips up or down. (a) True (b) False
  34. 34.🔘 Which kind of switch slides side to side? (a) a push button (b) a slide switch (c) a reed switch (d) a toggle switch
  35. 35.🔘 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
  36. 36.🔘 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
  37. 37.🔘 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
  38. 38.True or false: a push button flips up or down. (a) True (b) False
  39. 39.True or false: a slide switch works only while pressed. (a) True (b) False
  40. 40.🔘 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?

Answer key

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

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