Problem 2: A solid non-conducting cylinder of radius R1 carries charge Q uniformly distributed. It is surrounded by a concentric cylindrical tube of inner radius R2 and outer radius R3 as shown in the gure, and it too carries a uniform charge Q. Both cylinders are very long with length L (L >> R3). V Determine the electric eld as a function of the distance r from the A, center of the cylinders for a) 0