Statement of a problem № 42168


A space is filled up with a charge with volume density p  p0 e-r3, where P0 and a are positive constants, r is the distance from the centre of this system. Find the magnitude of the electric field strength vector as a function of r. Investigate the obtained expression for the small and large values of r, i.e. at ar3 << 1 and ar3 >> 1.

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