Answer:B- Coronado traveled around the Southwest and down through Mexico.
Explanation: Answer is B!
It is an imaginary transformer which has no core loss, no ohmic resistance and no leakage flux. The ideal transformer has the following important characteristic. The resistance of their primary and secondary winding becomes zero. The core of the ideal transformer has infinite permeability.
The Roanoke colonists are believed to have moved from the area. Because it is still a mystery, some theorize that they were taken by Indians. Some theorize that supplies were long in coming that they were forced to move. There is little evidence either theory.