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1. Charge is distributed uniformly along the z-axis with density rL0 C/m. Using Gauss' law for the electric field, find the electric field intensity due to the line charge.

2. Charge is distributed uniformly with density r0 C/m3 within a spherical volume of radius a m and having its center at the origin. Using Gauss' law for the electric field, find the electric field intensity both inside and outside the charge distribution.

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