Question

1. Two uniform surface load densities of 6 and 2 ??/?2 are present at ? = 2 ?? ? 6??, respectively, in the free space. Assume V=0 at ? = 4 ?? and calculate V in:

a) ? = 5??

b) ? = 7??

2. Three spherical surfaces located at r= 2m, 4m and 6m have uniform surface charge densities of 20 ??/?2, -4 ??/?2 and ??0 , respectively, a) Find the electrical flux density D at r=1m, 3m and 5m. b) Determine ??0 such that D=0 at r=7m

3. Find the electrical flux density at point (0,0,10) due to a rectangle described by -2 ≤ ? ≤ 2 ,-5 ≤ ? ≤ 5 ?? ?? ????? ? = 0. Which carries a uniform load from ?? ?/?2

Answer 1

1 solution:

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