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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 265 · 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 tilt switch closes near a magnet. (a) False (b) True
  2. 2.🔘 Which kind of switch stays where you flip it? (a) a toggle switch (b) a tilt switch (c) a slide switch (d) a reed switch
  3. 3.🔘 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?
  4. 4.🔘 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
  5. 5.What does a reed switch do? (a) flips up or down (b) works only while pressed (c) slides side to side (d) closes near a magnet
  6. 6.🔘 Which kind of switch flips up or down? (a) a slide switch (b) a toggle switch (c) a tilt switch (d) a reed switch
  7. 7.What does a tilt switch do? (a) slides side to side (b) closes when tipped over (c) works only while pressed (d) springs back when let go
  8. 8.🔘 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
  9. 9.True or false: a reed switch flips up or down. (a) True (b) False
  10. 10.🔘 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
  11. 11.🔘 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?
  12. 12.🔘 When a switch is ON, the circuit is … (a) open (b) cut (c) closed (d) broken
  13. 13.🔘 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?
  14. 14.🔘 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
  15. 15.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) only when both are OFF (c) only when both are ON (d) when either is ON
  16. 16.🔘 Which kind of switch works only while pressed? (a) a reed switch (b) a toggle switch (c) a tilt switch (d) a push button
  17. 17.🔘 What does a switch do in a circuit? (a) changes the voltage (b) opens or closes the loop (c) makes electricity (d) stores current
  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.True or false: a toggle switch closes when tipped over. (a) True (b) False
  20. 20.What does a slide switch do? (a) flips up or down (b) closes when tipped over (c) slides side to side (d) works only while pressed
  21. 21.True or false: a push button works only while pressed. (a) False (b) True
  22. 22.True or false: a toggle switch stays where you flip it. (a) True (b) False
  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 OFF and C is ON. Does the bulb glow? (a) No (b) Yes
  24. 24.True or false: a push button flips up or down. (a) True (b) False
  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) No (b) Yes
  26. 26.🔘 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
  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 ON. Does the bulb glow? (a) No (b) Yes
  28. 28.What does a toggle switch do? (a) springs back when let go (b) closes when tipped over (c) slides side to side (d) stays where you flip it
  29. 29.True or false: a toggle switch closes near a magnet. (a) True (b) False
  30. 30.🔘 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
  31. 31.True or false: a push button springs back when let go. (a) False (b) True
  32. 32.🔘 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 OFF and D is OFF. Does the bulb glow? (a) Yes (b) No
  33. 33.🔘 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
  34. 34.🔘 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) Yes (b) No
  35. 35.🔘 Which kind of switch springs back when let go? (a) a slide switch (b) a push button (c) a reed switch (d) a toggle switch
  36. 36.🔘 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
  37. 37.What does a toggle switch do? (a) closes near a magnet (b) closes when tipped over (c) flips up or down (d) works only while pressed
  38. 38.🔘 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?
  39. 39.🔘 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
  40. 40.True or false: a tilt switch closes when tipped over. (a) False (b) True

Answer key

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

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