[单选题]
96.36: An isolated conducting sn;q7if9z *fh/a i0q itq45berphere74es 0s+t4d bgper/gm5 q 3h2cs1eaam of radius R has positive charge + Q. Which graph best depicts the electric field as a function of r, the27escdgq54m/s b04a gs htpe1 +re3ma distance from the center of the sphere?
