Two long thin concentric conducting cylinders of radii R and 2R carry equal and opposite charges. The charge per unit area of the inner cylinder is o and that of the outer cylindrical shell is -oʻ. Using Gauss's law, find a) Electric field for r 2R in terms of the known quantities. b) The potential difference between R and 2R. c) The capacitance per unit length of the cylinders. . d) If the space between the cylinders is filled with a dielectric material of dielectric constant k, what will be the capacitance per unit length of the cylinders and the potential difference between R and 2R with the dielectric? 3.

Two long thin concentric conducting cylinders of radii R and 2R carry equal and opposite charges. The charge per unit area of the inner cylinder is o and that of the outer cylindrical shell is -oʻ. Using Gauss's law, find a) Electric field for r 2R in terms of the known quantities. b) The potential difference between R and 2R. c) The capacitance per unit length of the cylinders. . d) If the space between the cylinders is filled with a dielectric material of dielectric constant k, what will be the capacitance per unit length of the cylinders and the potential difference between R and 2R with the dielectric? 3.