A solid conducting sphere with radius R that carries positive charge Q is concentric with a very thin insulating shell of radius 2R that carries charge −2Q. The charge −2Q is distributed uniformly over the insulating shell. Part A Find the magnitude of the electric field in the region 0

Imagine that the rightward current flows in the rod for a short time. as a result, what will the net charge on the right and left ends of the rod become? left end negative and right end positive left end negative and right end negative left end negative and right end nearly neutral left end nearly neutral and right end positive both ends nearly neutral