Question: Find the potential in Fig. 457 using (a) The coarse grid. (b) The fine grid 5 3 and Gauss elimination. In (b), use symmetry;

Find the potential in Fig. 457 using

(a) The coarse grid.

(b) The fine grid 5 × 3 and Gauss elimination. In (b), use symmetry; take u = 0 as boundary value at the two points at which the potential has a jump.

u = 110 V u = -110 V u = 110 V

u = 110 V u = -110 V u = 110 V P., 12 P.. 11 u = -110 V u = 110 V u=-110 V

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