A cube is placed with one corner at the origin and x=.15m,z=.4m and y=.3m. The e

Question

A cube is placed with one corner at the origin and x=.15m,z=.4m and y=.3m. The electric field E is parallel to the x-axis,and goes through the rectangular solid. E is present uniformlythrough he entire region,with constant magnitude 140 N/C.
a) Determine the electric flux through the entire closed surface ofthe rectangular solid. b) Waht is the net charge enclosed by the surface? c)Now instead, the field varies along the x-axis, so that itis 20 N/C at x=0 and 140N/C at x=.15m. Determine electric fluxthrough the entire surface, and net charge enclosed by thesurface. A cube is placed with one corner at the origin and x=.15m,z=.4m and y=.3m. The electric field E is parallel to the x-axis,and goes through the rectangular solid. E is present uniformlythrough he entire region,with constant magnitude 140 N/C.
a) Determine the electric flux through the entire closed surface ofthe rectangular solid. b) Waht is the net charge enclosed by the surface? c)Now instead, the field varies along the x-axis, so that itis 20 N/C at x=0 and 140N/C at x=.15m. Determine electric fluxthrough the entire surface, and net charge enclosed by thesurface.

Explanation / Answer

part a and b. Both are zero. c. electric flux through the surface. 140*0,3*0,4-20*0,4*0,3=14,4 (Vm). Gauss'law state that 14.4=Q/0 so Q=14,4*0=1,275e-10(C)

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