The length of an insulating rod is changing with time as l(t) = lo cos(wt). It is positioned with its center at the origin of the co-ordinate system, so that it extends in z direction from -2(t)/2 to +l(t)/2. It is laden with an electric charge along its changing) length as A(z) = d.– to sin (c) a) Calculate the electric and magnetic fields received from this oscillating rod by an observer at a distance r » lo from the origin and an angle with respect to the z axis. b) Calculate the instantaneous (Plt]) and time-averaged ((P)) power radiated.