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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 749 · 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 slide switch slides side to side. (a) False (b) True
  2. 2.🔘 Which kind of switch flips up or down? (a) a tilt switch (b) a reed switch (c) a slide switch (d) a toggle switch
  3. 3.What does a reed switch do? (a) flips up or down (b) springs back when let go (c) slides side to side (d) closes near a magnet
  4. 4.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  5. 5.True or false: a toggle switch stays where you flip it. (a) True (b) False
  6. 6.True or false: a toggle switch works only while pressed. (a) False (b) True
  7. 7.🔘 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?
  8. 8.🔘 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?
  9. 9.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a slide switch (c) a reed switch (d) a tilt switch
  10. 10.What does a push button do? (a) works only while pressed (b) slides side to side (c) flips up or down (d) closes when tipped over
  11. 11.What does a tilt switch do? (a) closes when tipped over (b) closes near a magnet (c) works only while pressed (d) stays where you flip it
  12. 12.🔘 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
  13. 13.True or false: a push button flips up or down. (a) False (b) True
  14. 14.True or false: a tilt switch stays where you flip it. (a) True (b) False
  15. 15.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a reed switch (c) a tilt switch (d) a toggle switch
  16. 16.🔘 Two switches are in series. When does the bulb glow? (a) when both are OFF (b) never (c) when both are ON (d) when either is ON
  17. 17.🔘 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?
  18. 18.🔘 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?
  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 ON, C is OFF and D is ON. Does the bulb glow? (a) No (b) Yes
  20. 20.What does a slide switch do? (a) flips up or down (b) closes near a magnet (c) slides side to side (d) works only while pressed
  21. 21.True or false: a reed switch flips up or down. (a) True (b) False
  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 ON, B is ON and C is ON. Does the bulb glow? (a) Yes (b) No
  23. 23.True or false: a tilt switch works only while pressed. (a) True (b) False
  24. 24.What does a toggle switch do? (a) slides side to side (b) flips up or down (c) springs back when let go (d) closes near a magnet
  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.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) when either is ON (c) never (d) only when both are ON
  27. 27.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a tilt switch (c) a slide switch (d) a push button
  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 OFF, B is OFF and C is ON. Does the bulb glow? (a) Yes (b) No
  29. 29.🔘 Which kind of switch springs back when let go? (a) a push button (b) a reed switch (c) a tilt switch (d) a toggle switch
  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 OFF, C is ON and D is ON. Does the bulb glow? (a) Yes (b) No
  31. 31.🔘 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
  32. 32.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a slide switch (c) a push button (d) a toggle switch
  33. 33.True or false: a toggle switch flips up or down. (a) True (b) False
  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 ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  35. 35.🔘 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
  36. 36.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  37. 37.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  38. 38.🔘 What does a switch do in a circuit? (a) makes electricity (b) changes the voltage (c) opens or closes the loop (d) stores current
  39. 39.True or false: a slide switch closes when tipped over. (a) True (b) False
  40. 40.What does a toggle switch do? (a) springs back when let go (b) works only while pressed (c) closes near a magnet (d) stays where you flip it

Answer key

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

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