Figure P17.73 shows a cylindrical capacitor; it consists of a solid metal rod of radius...

Figure P17.73 shows a cylindrical capacitor; it consists of a solid metal rod of radius and outer radius Suppose the capacitor has length L (with L very large). Also suppose a charge +Q is placed on the inner rod and a charge -Q is placed on the outer cylinder. (a) Find the electric field inside the rod (i.e., for ). (b) Find the electric field in the space between the rod and the cylinder (c) Find the electric field outside the capacitor