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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 553 · 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.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when both are ON (c) never (d) when either is ON
  2. 2.What does a tilt switch do? (a) stays where you flip it (b) closes when tipped over (c) closes near a magnet (d) slides side to side
  3. 3.True or false: a slide switch closes near a magnet. (a) False (b) True
  4. 4.🔘 A bulb and a cell are joined through 4 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.🔘 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
  6. 6.🔘 What does a switch do in a circuit? (a) changes the voltage (b) stores current (c) opens or closes the loop (d) makes electricity
  7. 7.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a push button (c) a toggle switch (d) a tilt switch
  8. 8.🔘 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) No (b) Yes
  9. 9.🔘 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
  10. 10.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a toggle switch (c) a push button (d) a tilt switch
  11. 11.What does a reed switch do? (a) flips up or down (b) springs back when let go (c) closes near a magnet (d) works only while pressed
  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 OFF and B is ON. Does the bulb glow? (a) No (b) Yes
  13. 13.🔘 When a switch is ON, the circuit is … (a) cut (b) open (c) closed (d) broken
  14. 14.🔘 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
  15. 15.True or false: a push button closes near a magnet. (a) True (b) False
  16. 16.True or false: a push button flips up or down. (a) False (b) True
  17. 17.🔘 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 OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  18. 18.🔘 Which kind of switch slides side to side? (a) a reed switch (b) a toggle switch (c) a tilt switch (d) a slide switch
  19. 19.True or false: a tilt switch flips up or down. (a) False (b) True
  20. 20.🔘 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) No (b) Yes
  21. 21.🔘 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?
  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 ON. Does the bulb glow? (a) No (b) Yes
  23. 23.What does a toggle switch do? (a) flips up or down (b) springs back when let go (c) works only while pressed (d) closes near a magnet
  24. 24.🔘 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
  25. 25.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a slide switch (c) a push button (d) a toggle switch
  26. 26.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a push button (c) a toggle switch (d) a tilt switch
  27. 27.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a push button (c) a toggle switch (d) a tilt switch
  28. 28.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  29. 29.True or false: a toggle switch closes near a magnet. (a) True (b) False
  30. 30.True or false: a reed switch stays where you flip it. (a) True (b) False
  31. 31.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a tilt switch (c) a slide switch (d) a reed switch
  32. 32.True or false: a slide switch works only while pressed. (a) True (b) False
  33. 33.🔘 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) Yes (b) No
  34. 34.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  35. 35.True or false: a tilt switch closes near a magnet. (a) False (b) True
  36. 36.What does a slide switch do? (a) stays where you flip it (b) slides side to side (c) flips up or down (d) closes when tipped over
  37. 37.🔘 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) Yes (b) No
  38. 38.🔘 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
  39. 39.🔘 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) Yes (b) No
  40. 40.🔘 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) Yes (b) No

Answer key

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

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