Question

Problem 4: (2.5 polnts) A loop of radius a, which carries a nonuniform line charge density p.(b) = sino is immersed in an isotropic dielectric medium of permittivity e. The field point is (0,0,2). (a) Determine d',r,r', and R. M point) (b) Set up your integral and simplify. (1 point) 26 () Emaluato the integral. (0.5 point) Hint: sin ucos u du = 0, and "sin? udu = a.