dont know hehehe I have an assignment in this :)
E stands for voltage in this case.
It means essentially the same thing as the current 'in-vogue' phrase, "It is, what it is." It means the law is not negotiable. It may not seem just in some cases but it is, above all else, the law.
E is the electric field at that location.
Upon being admitted to the North Carolina Bar Association in 1966, he practiced law in Winston-Salem from 1966 to 1970.