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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 431 · 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 OFF and B is OFF. Does the bulb glow? (a) Yes (b) No
  2. 2.🔘 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
  3. 3.🔘 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) Yes (b) No
  4. 4.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a tilt switch (c) a push button (d) a slide switch
  5. 5.🔘 Which kind of switch flips up or down? (a) a toggle switch (b) a reed switch (c) a push button (d) a slide switch
  6. 6.🔘 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) never (d) only when both are OFF
  7. 7.🔘 When a switch is ON, the circuit is … (a) cut (b) open (c) broken (d) closed
  8. 8.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  9. 9.What does a toggle switch do? (a) works only while pressed (b) closes near a magnet (c) closes when tipped over (d) stays where you flip it
  10. 10.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a push button (c) a slide switch (d) a reed switch
  11. 11.True or false: a toggle switch flips up or down. (a) False (b) True
  12. 12.True or false: a reed switch stays where you flip it. (a) True (b) False
  13. 13.🔘 Which kind of switch closes when tipped over? (a) a reed switch (b) a slide switch (c) a tilt switch (d) a push button
  14. 14.True or false: a toggle switch works only while pressed. (a) True (b) False
  15. 15.True or false: a reed switch closes near a magnet. (a) True (b) False
  16. 16.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a toggle switch (c) a tilt switch (d) a push button
  17. 17.🔘 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
  18. 18.True or false: a reed switch slides side to side. (a) True (b) False
  19. 19.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a tilt switch (c) a reed switch (d) a push button
  20. 20.🔘 What does a switch do in a circuit? (a) changes the voltage (b) opens or closes the loop (c) stores current (d) makes electricity
  21. 21.🔘 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?
  22. 22.What does a toggle switch do? (a) closes when tipped over (b) closes near a magnet (c) springs back when let go (d) flips up or down
  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.What does a push button do? (a) closes when tipped over (b) springs back when let go (c) flips up or down (d) stays where you flip it
  25. 25.🔘 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) Yes (b) No
  26. 26.🔘 Which kind of switch springs back when let go? (a) a push button (b) a toggle switch (c) a reed switch (d) a slide switch
  27. 27.🔘 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
  28. 28.🔘 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
  29. 29.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  30. 30.What does a reed switch do? (a) closes near a magnet (b) closes when tipped over (c) works only while pressed (d) flips up or down
  31. 31.True or false: a toggle switch stays where you flip it. (a) False (b) True
  32. 32.🔘 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
  33. 33.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  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 OFF. Does the bulb glow? (a) No (b) Yes
  35. 35.🔘 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) No (b) Yes
  36. 36.What does a slide switch do? (a) springs back when let go (b) flips up or down (c) closes near a magnet (d) slides side to side
  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 ON and C is ON. Does the bulb glow? (a) No (b) Yes
  38. 38.What does a tilt switch do? (a) flips up or down (b) springs back when let go (c) stays where you flip it (d) closes when tipped over
  39. 39.True or false: a slide switch works only while pressed. (a) False (b) True
  40. 40.🔘 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?

Answer key

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

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