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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 821 · 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 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 ON. Does the bulb glow? (a) Yes (b) No
  2. 2.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a toggle switch (c) a push button (d) a slide switch
  3. 3.🔘 A bulb and a cell are joined through 6 switches on 6 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?
  4. 4.True or false: a toggle switch stays where you flip it. (a) True (b) False
  5. 5.What does a reed switch do? (a) closes near a magnet (b) closes when tipped over (c) slides side to side (d) springs back when let go
  6. 6.🔘 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
  7. 7.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a slide switch (c) a push button (d) a toggle switch
  8. 8.True or false: a slide switch slides side to side. (a) False (b) True
  9. 9.🔘 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
  10. 10.🔘 Which kind of switch springs back when let go? (a) a push button (b) a slide switch (c) a tilt switch (d) a reed switch
  11. 11.What does a slide switch do? (a) springs back when let go (b) slides side to side (c) closes near a magnet (d) closes when tipped over
  12. 12.What does a tilt switch do? (a) springs back when let go (b) closes when tipped over (c) closes near a magnet (d) slides side to side
  13. 13.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  14. 14.What does a push button do? (a) closes near a magnet (b) flips up or down (c) works only while pressed (d) stays where you flip it
  15. 15.🔘 Which kind of switch flips up or down? (a) a tilt switch (b) a toggle switch (c) a push button (d) a reed switch
  16. 16.🔘 When a switch is ON, the circuit is … (a) open (b) cut (c) closed (d) broken
  17. 17.🔘 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
  18. 18.What does a toggle switch do? (a) slides side to side (b) closes near a magnet (c) closes when tipped over (d) flips up or down
  19. 19.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) never (c) only when both are OFF (d) when either is ON
  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) Yes (b) No
  21. 21.🔘 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
  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 OFF. Does the bulb glow? (a) Yes (b) No
  23. 23.🔘 What does a switch do in a circuit? (a) changes the voltage (b) stores current (c) makes electricity (d) opens or closes the loop
  24. 24.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
  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 ON, C is ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  26. 26.🔘 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
  27. 27.🔘 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?
  28. 28.What does a push button do? (a) slides side to side (b) flips up or down (c) closes near a magnet (d) springs back when let go
  29. 29.True or false: a tilt switch flips up or down. (a) True (b) False
  30. 30.🔘 Which kind of switch works only while pressed? (a) a push button (b) a tilt switch (c) a reed switch (d) a toggle switch
  31. 31.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) when either is ON (c) never (d) when both are ON
  32. 32.🔘 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
  33. 33.🔘 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?
  34. 34.True or false: a slide switch closes near a magnet. (a) True (b) False
  35. 35.True or false: a toggle switch springs back when let go. (a) True (b) False
  36. 36.🔘 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) No (b) Yes
  37. 37.🔘 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
  38. 38.True or false: a push button flips up or down. (a) False (b) True
  39. 39.True or false: a tilt switch closes when tipped over. (a) True (b) False
  40. 40.🔘 A bulb and a cell are joined through 2 switches on 2 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. Yes
  2. a slide switch
  3. 1
  4. True
  5. closes near a magnet
  6. No
  7. a tilt switch
  8. True
  9. Yes
  10. a push button
  11. slides side to side
  12. closes when tipped over
  13. Yes
  14. works only while pressed
  15. a toggle switch
  16. closed
  17. No
  18. flips up or down
  19. when either is ON
  20. No
  21. No
  22. No
  23. opens or closes the loop
  24. stays where you flip it
  25. No
  26. No
  27. 6
  28. springs back when let go
  29. False
  30. a push button
  31. when both are ON
  32. Yes
  33. 1
  34. False
  35. False
  36. Yes
  37. a toggle switch
  38. False
  39. True
  40. 1

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