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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 607 · 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, 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 OFF. Does the bulb glow? (a) Yes (b) No
  2. 2.🔘 Which kind of switch springs back when let go? (a) a reed switch (b) a toggle switch (c) a slide 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 ON (d) when both are OFF
  4. 4.🔘 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) Yes (b) No
  5. 5.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a tilt switch (c) a toggle switch (d) a push button
  6. 6.🔘 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?
  7. 7.What does a toggle switch do? (a) springs back when let go (b) closes when tipped over (c) slides side to side (d) stays where you flip it
  8. 8.🔘 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) Yes (b) No
  9. 9.🔘 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) No (b) Yes
  10. 10.What does a push button do? (a) flips up or down (b) closes when tipped over (c) stays where you flip it (d) springs back when let go
  11. 11.🔘 When a switch is ON, the circuit is … (a) cut (b) closed (c) open (d) broken
  12. 12.True or false: a toggle switch slides side to side. (a) True (b) False
  13. 13.True or false: a reed switch closes when tipped over. (a) True (b) False
  14. 14.🔘 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) Yes (b) No
  15. 15.🔘 Which kind of switch closes near a magnet? (a) a tilt switch (b) a slide switch (c) a toggle switch (d) a reed switch
  16. 16.What does a tilt switch do? (a) springs back when let go (b) slides side to side (c) stays where you flip it (d) closes when tipped over
  17. 17.🔘 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?
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  19. 19.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a slide switch (c) a push button (d) a toggle switch
  20. 20.🔘 Which kind of switch stays where you flip it? (a) a reed switch (b) a tilt switch (c) a toggle switch (d) a push button
  21. 21.True or false: a push button springs back when let go. (a) True (b) False
  22. 22.True or false: a reed switch flips up or down. (a) False (b) True
  23. 23.🔘 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
  24. 24.What does a slide switch do? (a) stays where you flip it (b) closes near a magnet (c) springs back when let go (d) slides side to side
  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) No (b) Yes
  26. 26.🔘 Which kind of switch works only while pressed? (a) a push button (b) a reed switch (c) a toggle switch (d) a slide switch
  27. 27.True or false: a toggle switch stays where you flip it. (a) False (b) True
  28. 28.🔘 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
  29. 29.🔘 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) No (b) Yes
  30. 30.🔘 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) Yes (b) No
  31. 31.🔘 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
  32. 32.🔘 What does a switch do in a circuit? (a) changes the voltage (b) makes electricity (c) stores current (d) opens or closes the loop
  33. 33.🔘 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 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.What does a reed switch do? (a) stays where you flip it (b) springs back when let go (c) slides side to side (d) closes near a magnet
  36. 36.What does a push button do? (a) closes when tipped over (b) stays where you flip it (c) slides side to side (d) works only while pressed
  37. 37.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) only when both are ON (c) only when both are OFF (d) when either is ON
  38. 38.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  39. 39.True or false: a push button closes when tipped over. (a) False (b) True
  40. 40.What does a toggle switch do? (a) closes near a magnet (b) flips up or down (c) works only while pressed (d) slides side to side

Answer key

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

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