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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 43 · 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.🔘 Which kind of switch closes near a magnet? (a) a tilt switch (b) a push button (c) a slide switch (d) a reed switch
  2. 2.What does a toggle switch do? (a) works only while pressed (b) slides side to side (c) flips up or down (d) springs back when let go
  3. 3.True or false: a toggle switch stays where you flip it. (a) True (b) False
  4. 4.🔘 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?
  5. 5.🔘 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
  6. 6.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are ON (b) never (c) when either is ON (d) only when both are OFF
  7. 7.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) when both are ON (c) when both are OFF (d) never
  8. 8.🔘 A bulb and a cell are joined through 3 switches on 3 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?
  9. 9.🔘 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
  10. 10.🔘 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) No (b) Yes
  11. 11.🔘 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
  12. 12.🔘 What does a switch do in a circuit? (a) stores current (b) changes the voltage (c) makes electricity (d) opens or closes the loop
  13. 13.🔘 Which kind of switch closes when tipped over? (a) a tilt switch (b) a slide switch (c) a toggle switch (d) a push button
  14. 14.What does a reed switch do? (a) slides side to side (b) closes near a magnet (c) works only while pressed (d) springs back when let go
  15. 15.🔘 Which kind of switch flips up or down? (a) a push button (b) a reed switch (c) a tilt switch (d) a toggle switch
  16. 16.True or false: a reed switch flips up or down. (a) False (b) True
  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 ON, B is ON and C is ON. Does the bulb glow? (a) Yes (b) No
  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 OFF, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  19. 19.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a reed switch (c) a push button (d) a toggle switch
  20. 20.🔘 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) No (b) Yes
  21. 21.True or false: a slide switch closes when tipped over. (a) True (b) False
  22. 22.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
  23. 23.🔘 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) No (b) Yes
  24. 24.🔘 Which kind of switch works only while pressed? (a) a tilt switch (b) a slide switch (c) a reed switch (d) a push button
  25. 25.🔘 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
  26. 26.What does a slide switch do? (a) stays where you flip it (b) closes when tipped over (c) slides side to side (d) flips up or down
  27. 27.True or false: a slide switch stays where you flip it. (a) False (b) True
  28. 28.What does a toggle switch do? (a) stays where you flip it (b) works only while pressed (c) closes near a magnet (d) springs back when let go
  29. 29.True or false: a push button works only while pressed. (a) False (b) True
  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 ON and C is ON. Does the bulb glow? (a) Yes (b) No
  31. 31.🔘 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
  32. 32.🔘 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
  33. 33.True or false: a toggle switch flips up or down. (a) True (b) False
  34. 34.True or false: a tilt switch springs back when let go. (a) True (b) False
  35. 35.True or false: a slide switch slides side to side. (a) False (b) True
  36. 36.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  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 ON, B is ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  38. 38.🔘 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?
  39. 39.🔘 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
  40. 40.True or false: a slide switch springs back when let go. (a) False (b) True

Answer key

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

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