I2

A charged particle is held at the center of two concentric conducting spherical shells. Figure (a) shows a cross section. Figure (b) gives the net flux @ through a Gaussian sphere centered on the particle, as a function of the radius r of the sphere. The scale of the vertical axis is set by (@, - 5.5 x 105 N.m /C. What are (a) the charge of the central particle and the net charges of (b) shell A and (c) shell B? 20 (n) (a) Number i Units (b) Number i Units (c) Number Units