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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 28 · 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 reed switch do? (a) works only while pressed (b) springs back when let go (c) closes when tipped over (d) closes near a magnet
  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 OFF and B is ON. Does the bulb glow? (a) No (b) Yes
  3. 3.What does a tilt switch do? (a) flips up or down (b) slides side to side (c) closes when tipped over (d) springs back when let go
  4. 4.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) only when both are ON (c) when either is ON (d) never
  5. 5.🔘 Which kind of switch closes when tipped over? (a) a reed switch (b) a toggle switch (c) a push button (d) a tilt switch
  6. 6.True or false: a push button works only while pressed. (a) True (b) False
  7. 7.🔘 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
  8. 8.🔘 When a switch is ON, the circuit is … (a) open (b) closed (c) cut (d) broken
  9. 9.What does a push button do? (a) closes near a magnet (b) springs back when let go (c) closes when tipped over (d) stays where you flip it
  10. 10.What does a toggle switch do? (a) flips up or down (b) closes when tipped over (c) closes near a magnet (d) works only while pressed
  11. 11.🔘 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
  12. 12.What does a push button do? (a) closes when tipped over (b) works only while pressed (c) stays where you flip it (d) closes near a magnet
  13. 13.What does a slide switch do? (a) closes near a magnet (b) closes when tipped over (c) springs back when let go (d) slides side to side
  14. 14.True or false: a slide switch slides side to side. (a) True (b) False
  15. 15.True or false: a reed switch closes near a magnet. (a) False (b) True
  16. 16.🔘 What does a switch do in a circuit? (a) opens or closes the loop (b) stores current (c) changes the voltage (d) makes electricity
  17. 17.🔘 Which kind of switch slides side to side? (a) a slide switch (b) a toggle switch (c) a tilt switch (d) a push button
  18. 18.🔘 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 ON and C is ON. Does the bulb glow? (a) No (b) Yes
  19. 19.🔘 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?
  20. 20.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a tilt switch (c) a toggle switch (d) a push button
  21. 21.🔘 Which kind of switch closes near a magnet? (a) a toggle switch (b) a reed switch (c) a slide switch (d) a push button
  22. 22.🔘 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
  23. 23.True or false: a toggle switch flips up or down. (a) True (b) False
  24. 24.🔘 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?
  25. 25.True or false: a toggle switch stays where you flip it. (a) True (b) False
  26. 26.🔘 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?
  27. 27.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a reed switch (c) a tilt switch (d) a slide 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 OFF, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  29. 29.What does a toggle switch do? (a) springs back when let go (b) closes near a magnet (c) stays where you flip it (d) slides side to side
  30. 30.🔘 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
  31. 31.🔘 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
  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 OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  33. 33.🔘 Which kind of switch works only while pressed? (a) a push button (b) a toggle switch (c) a slide switch (d) a tilt switch
  34. 34.🔘 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) Yes (b) No
  35. 35.True or false: a push button springs back when let go. (a) False (b) True
  36. 36.🔘 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 ON and C is ON. Does the bulb glow? (a) Yes (b) No
  37. 37.🔘 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?
  38. 38.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) when both are OFF (c) never (d) when either is ON
  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 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) No (b) Yes

Answer key

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

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