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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 723 · 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.What does a tilt switch do? (a) flips up or down (b) closes when tipped over (c) closes near a magnet (d) slides side to side
  2. 2.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a toggle switch (c) a slide switch (d) a push button
  3. 3.🔘 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) No (b) Yes
  4. 4.What does a reed switch do? (a) stays where you flip it (b) closes near a magnet (c) flips up or down (d) springs back when let go
  5. 5.True or false: a toggle switch works only while pressed. (a) True (b) False
  6. 6.🔘 What does a switch do in a circuit? (a) makes electricity (b) opens or closes the loop (c) stores current (d) changes the voltage
  7. 7.🔘 When a switch is ON, the circuit is … (a) open (b) cut (c) closed (d) broken
  8. 8.🔘 Two switches are in series. When does the bulb glow? (a) when both are ON (b) when either is ON (c) when both are OFF (d) never
  9. 9.True or false: a toggle switch flips up or down. (a) True (b) False
  10. 10.True or false: a slide switch slides side to side. (a) True (b) False
  11. 11.What does a push button do? (a) closes when tipped over (b) flips up or down (c) closes near a magnet (d) works only while pressed
  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 ON. Does the bulb glow? (a) Yes (b) No
  13. 13.What does a push button do? (a) springs back when let go (b) flips up or down (c) stays where you flip it (d) closes when tipped over
  14. 14.True or false: a reed switch closes when tipped over. (a) False (b) True
  15. 15.🔘 Which kind of switch stays where you flip it? (a) a tilt switch (b) a slide switch (c) a toggle switch (d) a push button
  16. 16.🔘 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?
  17. 17.True or false: a tilt switch closes near a magnet. (a) False (b) True
  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 ON and C is OFF. Does the bulb glow? (a) Yes (b) No
  19. 19.🔘 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) No (b) Yes
  20. 20.🔘 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) Yes (b) No
  21. 21.🔘 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 OFF. Does the bulb glow? (a) Yes (b) No
  22. 22.🔘 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 OFF, C is ON and D is OFF. Does the bulb glow? (a) No (b) Yes
  23. 23.🔘 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) Yes (b) No
  24. 24.True or false: a reed switch closes near a magnet. (a) True (b) False
  25. 25.🔘 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) No (b) Yes
  26. 26.🔘 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
  27. 27.🔘 Which kind of switch slides side to side? (a) a push button (b) a tilt switch (c) a slide switch (d) a reed switch
  28. 28.🔘 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 ON. Does the bulb glow? (a) No (b) Yes
  29. 29.What does a toggle switch do? (a) slides side to side (b) stays where you flip it (c) closes when tipped over (d) closes near a magnet
  30. 30.🔘 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
  31. 31.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) only when both are OFF (b) only when both are ON (c) when either is ON (d) never
  32. 32.True or false: a push button springs back when let go. (a) True (b) False
  33. 33.🔘 Which kind of switch flips up or down? (a) a push button (b) a tilt switch (c) a reed switch (d) a toggle switch
  34. 34.What does a toggle switch do? (a) closes when tipped over (b) slides side to side (c) springs back when let go (d) flips up or down
  35. 35.🔘 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) 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 ON. Does the bulb glow? (a) No (b) Yes
  37. 37.🔘 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?
  38. 38.True or false: a tilt switch closes when tipped over. (a) True (b) False
  39. 39.🔘 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) Yes (b) No
  40. 40.🔘 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?

Answer key

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

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