Figure showns. In cross section m three solid cylinders, each of length L and uniform charge Q. Concntric with each cylinder is a cylindrical Gaussion surface, with all three surfaces having the same radius. Rank the Gussion surface according to the electric field at any point on the suface, greatest first.
A. `I to II to III`
B. `II to I to III`
C. `III to II to I `
D. all tie
