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Electronics Worksheet: Switches in a Circuit

Electronics lesson 5: Switches in a circuit · Set 406 · 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 when tipped over. (a) True (b) False
  2. 2.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
  3. 3.🔘 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?
  4. 4.True or false: a toggle switch flips up or down. (a) True (b) False
  5. 5.🔘 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) Yes (b) No
  6. 6.🔘 Which kind of switch flips up or down? (a) a reed switch (b) a slide switch (c) a toggle switch (d) a push button
  7. 7.True or false: a toggle switch springs back when let go. (a) False (b) True
  8. 8.🔘 What does a switch do in a circuit? (a) changes the voltage (b) opens or closes the loop (c) makes electricity (d) stores current
  9. 9.🔘 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
  10. 10.What does a push button do? (a) closes near a magnet (b) flips up or down (c) slides side to side (d) works only while pressed
  11. 11.🔘 Which kind of switch slides side to side? (a) a tilt switch (b) a reed switch (c) a slide switch (d) a toggle switch
  12. 12.True or false: a push button works only while pressed. (a) False (b) True
  13. 13.🔘 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
  14. 14.🔘 Which kind of switch closes when tipped over? (a) a reed switch (b) a push button (c) a toggle switch (d) a tilt switch
  15. 15.What does a slide switch do? (a) stays where you flip it (b) flips up or down (c) closes when tipped over (d) slides side to side
  16. 16.🔘 When a switch is ON, the circuit is … (a) cut (b) open (c) broken (d) closed
  17. 17.🔘 Which kind of switch closes near a magnet? (a) a push button (b) a tilt switch (c) a reed switch (d) a toggle switch
  18. 18.🔘 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?
  19. 19.What does a tilt switch do? (a) closes near a magnet (b) closes when tipped over (c) works only while pressed (d) slides side to side
  20. 20.🔘 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?
  21. 21.🔘 Two switches are in series. When does the bulb glow? (a) when either is ON (b) never (c) when both are OFF (d) when both are ON
  22. 22.🔘 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) No (b) Yes
  23. 23.🔘 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 OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  24. 24.What does a toggle switch do? (a) flips up or down (b) slides side to side (c) closes when tipped over (d) works only while pressed
  25. 25.True or false: a slide switch closes when tipped over. (a) True (b) False
  26. 26.🔘 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?
  27. 27.🔘 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
  28. 28.True or false: a toggle switch slides side to side. (a) True (b) False
  29. 29.🔘 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
  30. 30.🔘 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?
  31. 31.What does a reed switch do? (a) closes when tipped over (b) closes near a magnet (c) flips up or down (d) works only while pressed
  32. 32.🔘 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
  33. 33.True or false: a slide switch works only while pressed. (a) False (b) True
  34. 34.True or false: a tilt switch stays where you flip it. (a) True (b) False
  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 OFF and C is OFF. Does the bulb glow? (a) Yes (b) No
  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 OFF, B is ON and C is ON. Does the bulb glow? (a) No (b) Yes
  37. 37.🔘 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
  38. 38.🔘 Two switches are in parallel (side by side). When does the bulb glow? (a) never (b) when either is ON (c) only when both are ON (d) only when both are OFF
  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 ON, B is ON and C is ON. Does the bulb glow? (a) No (b) Yes
  40. 40.True or false: a toggle switch works only while pressed. (a) True (b) False

Answer key

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

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