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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 603 · 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.🔘 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
  2. 2.What does a toggle switch do? (a) works only while pressed (b) springs back when let go (c) closes when tipped over (d) flips up or down
  3. 3.True or false: a slide switch works only while pressed. (a) True (b) False
  4. 4.🔘 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?
  5. 5.What does a tilt switch do? (a) flips up or down (b) closes when tipped over (c) stays where you flip it (d) springs back when let go
  6. 6.🔘 Which kind of switch stays where you flip it? (a) a push button (b) a slide switch (c) a reed switch (d) a toggle switch
  7. 7.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when both are OFF (c) when either is ON (d) when both are ON
  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 OFF, B is OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  9. 9.What does a toggle switch do? (a) closes near a magnet (b) closes when tipped over (c) slides side to side (d) stays where you flip it
  10. 10.🔘 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?
  11. 11.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  12. 12.🔘 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?
  13. 13.🔘 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) No (b) Yes
  14. 14.🔘 Which kind of switch flips up or down? (a) a push button (b) a slide switch (c) a reed switch (d) a toggle switch
  15. 15.What does a push button do? (a) closes near a magnet (b) stays where you flip it (c) slides side to side (d) springs back when let go
  16. 16.🔘 Which kind of switch closes near a magnet? (a) a tilt switch (b) a reed switch (c) a toggle switch (d) a push button
  17. 17.What does a push button do? (a) works only while pressed (b) closes near a magnet (c) slides side to side (d) stays where you flip it
  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 ON, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  19. 19.🔘 Which kind of switch springs back when let go? (a) a reed switch (b) a push button (c) a slide switch (d) a tilt switch
  20. 20.🔘 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?
  21. 21.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a reed switch (c) a toggle switch (d) a push button
  22. 22.True or false: a slide switch slides side to side. (a) True (b) False
  23. 23.🔘 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 ON. Does the bulb glow? (a) Yes (b) No
  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.🔘 A bulb and a cell are joined through 3 switches one after another in a single loop (series). What is the smallest number of switches that must be ON to light the bulb?
  26. 26.🔘 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) Yes (b) No
  27. 27.What does a slide switch do? (a) closes when tipped over (b) works only while pressed (c) closes near a magnet (d) slides side to side
  28. 28.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  29. 29.🔘 What does a switch do in a circuit? (a) changes the voltage (b) makes electricity (c) opens or closes the loop (d) stores current
  30. 30.🔘 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 OFF and D is ON. Does the bulb glow? (a) Yes (b) No
  31. 31.True or false: a push button stays where you flip it. (a) False (b) True
  32. 32.True or false: a reed switch springs back when let go. (a) False (b) True
  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 ON and C is ON. Does the bulb glow? (a) Yes (b) No
  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 ON, B is ON, C is OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  35. 35.True or false: a tilt switch closes near a magnet. (a) True (b) False
  36. 36.🔘 Which kind of switch closes when tipped over? (a) a toggle switch (b) a push button (c) a reed switch (d) a tilt switch
  37. 37.🔘 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
  38. 38.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a slide switch (c) a push button (d) a reed switch
  39. 39.True or false: a toggle switch stays where you flip it. (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. No
  2. flips up or down
  3. False
  4. 1
  5. closes when tipped over
  6. a toggle switch
  7. when both are ON
  8. No
  9. stays where you flip it
  10. 5
  11. No
  12. 4
  13. No
  14. a toggle switch
  15. springs back when let go
  16. a reed switch
  17. works only while pressed
  18. Yes
  19. a push button
  20. 1
  21. a push button
  22. True
  23. Yes
  24. 6
  25. 3
  26. Yes
  27. slides side to side
  28. Yes
  29. opens or closes the loop
  30. Yes
  31. False
  32. False
  33. Yes
  34. No
  35. False
  36. a tilt switch
  37. No
  38. a slide switch
  39. True
  40. 1

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