To appreciate the ease of solution using Gauss's law, let us redo the problem using the superposition integral of Section 2.3.2. From Figure 2-16a the incremental radial component of eIectric field du~ to a differentia1 charg~ element is
To appreciate the ease of solution using Gauss's law, let us redo the problem using the superposition integral of Section2.3.2. From Figure 2-16a the incremental radial component of eIectric field du~ to a differentia1 charg~ element is