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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 632 · 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 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
  2. 2.What does a slide switch do? (a) stays where you flip it (b) slides side to side (c) flips up or down (d) works only while pressed
  3. 3.🔘 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) No (b) Yes
  4. 4.🔘 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?
  5. 5.🔘 Which kind of switch springs back when let go? (a) a tilt switch (b) a slide switch (c) a toggle switch (d) a push button
  6. 6.What does a toggle switch do? (a) springs back when let go (b) flips up or down (c) closes when tipped over (d) closes near a magnet
  7. 7.🔘 Which kind of switch flips up or down? (a) a tilt switch (b) a reed switch (c) a toggle switch (d) a slide switch
  8. 8.True or false: a reed switch flips up or down. (a) False (b) True
  9. 9.🔘 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) No (b) Yes
  10. 10.True or false: a toggle switch works only while pressed. (a) True (b) False
  11. 11.🔘 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) Yes (b) No
  12. 12.🔘 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
  13. 13.🔘 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
  14. 14.What does a push button do? (a) closes when tipped over (b) stays where you flip it (c) springs back when let go (d) slides side to side
  15. 15.🔘 Which kind of switch closes when tipped over? (a) a slide switch (b) a tilt switch (c) a toggle switch (d) a push button
  16. 16.🔘 What does a switch do in a circuit? (a) stores current (b) opens or closes the loop (c) makes electricity (d) changes the voltage
  17. 17.🔘 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?
  18. 18.🔘 Two switches are in series. When does the bulb glow? (a) never (b) when both are ON (c) when both are OFF (d) when either is ON
  19. 19.True or false: a push button springs back when let go. (a) True (b) False
  20. 20.🔘 Which kind of switch slides side to side? (a) a toggle switch (b) a reed switch (c) a push button (d) a slide switch
  21. 21.🔘 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 OFF. Does the bulb glow? (a) No (b) Yes
  22. 22.True or false: a reed switch springs back when let go. (a) False (b) True
  23. 23.What does a reed switch do? (a) stays where you flip it (b) slides side to side (c) springs back when let go (d) closes near a magnet
  24. 24.True or false: a reed switch stays where you flip it. (a) True (b) False
  25. 25.True or false: a toggle switch flips up or down. (a) False (b) True
  26. 26.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a reed switch (c) a slide switch (d) a toggle switch
  27. 27.🔘 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
  28. 28.What does a push button do? (a) closes when tipped over (b) slides side to side (c) stays where you flip it (d) works only while pressed
  29. 29.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  30. 30.True or false: a tilt switch works only while pressed. (a) True (b) False
  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 OFF and B is ON. Does the bulb glow? (a) No (b) Yes
  32. 32.🔘 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
  33. 33.🔘 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 ON and C is ON. Does the bulb glow? (a) Yes (b) No
  34. 34.🔘 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
  35. 35.🔘 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?
  36. 36.True or false: a tilt switch closes when tipped over. (a) False (b) True
  37. 37.True or false: a slide switch closes near a magnet. (a) True (b) False
  38. 38.🔘 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?
  39. 39.🔘 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 ON and C is OFF. Does the bulb glow? (a) No (b) Yes
  40. 40.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a slide switch (c) a push button (d) a reed switch

Answer key

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

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