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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 770 · 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 toggle switch works only while pressed. (a) False (b) True
  2. 2.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a reed switch (c) a tilt switch (d) a push button
  3. 3.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) never (c) when both are OFF (d) when both are ON
  4. 4.🔘 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) Yes (b) No
  5. 5.🔘 What does a switch do in a circuit? (a) stores current (b) opens or closes the loop (c) changes the voltage (d) makes electricity
  6. 6.What does a toggle switch do? (a) flips up or down (b) closes near a magnet (c) slides side to side (d) works only while pressed
  7. 7.🔘 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) Yes (b) No
  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) Yes (b) No
  9. 9.🔘 When a switch is ON, the circuit is … (a) cut (b) closed (c) open (d) broken
  10. 10.What does a reed switch do? (a) works only while pressed (b) closes when tipped over (c) closes near a magnet (d) springs back when let go
  11. 11.🔘 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
  12. 12.True or false: a reed switch stays where you flip it. (a) True (b) False
  13. 13.🔘 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?
  14. 14.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a toggle switch (c) a tilt switch (d) a reed switch
  15. 15.True or false: a reed switch works only while pressed. (a) False (b) True
  16. 16.🔘 Which kind of switch closes near a magnet? (a) a slide switch (b) a tilt switch (c) a reed switch (d) a push button
  17. 17.🔘 Which kind of switch slides side to side? (a) a reed switch (b) a slide switch (c) a tilt switch (d) a push button
  18. 18.🔘 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) never (d) when either is ON
  19. 19.🔘 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 ON and D is ON. Does the bulb glow? (a) Yes (b) No
  20. 20.🔘 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
  21. 21.What does a push button do? (a) springs back when let go (b) closes when tipped over (c) flips up or down (d) slides side to side
  22. 22.True or false: a toggle switch slides side to side. (a) True (b) False
  23. 23.True or false: a tilt switch flips up or down. (a) True (b) False
  24. 24.True or false: a reed switch closes near a magnet. (a) False (b) True
  25. 25.🔘 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
  26. 26.🔘 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?
  27. 27.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  28. 28.🔘 Which kind of switch works only while pressed? (a) a slide switch (b) a tilt switch (c) a toggle switch (d) a push button
  29. 29.True or false: a slide switch slides side to side. (a) False (b) True
  30. 30.What does a slide switch do? (a) closes near a magnet (b) slides side to side (c) closes when tipped over (d) springs back when let go
  31. 31.What does a tilt switch do? (a) works only while pressed (b) flips up or down (c) closes when tipped over (d) stays where you flip it
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  33. 33.🔘 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
  34. 34.🔘 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
  35. 35.🔘 Which kind of switch closes when tipped over? (a) a reed switch (b) a tilt switch (c) a slide switch (d) a toggle switch
  36. 36.🔘 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) Yes (b) No
  37. 37.🔘 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 ON and D is ON. Does the bulb glow? (a) No (b) Yes
  38. 38.🔘 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
  39. 39.🔘 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
  40. 40.True or false: a slide switch closes when tipped over. (a) False (b) True

Answer key

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

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