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why inside a spherical shell charge is zero?


The electric field inside a uniformly charged spherical shell is zero. It is also zero for the conducting material in the region a < r < b. The field outside is the same as that of a point charge having a total charge Q located at the center of the shell. (b) The construction of a Gaussian surface for calculating the electric field inside a spherical shell. (c) The construction of a Gaussian surface for calculating the electric field outside a spherical shell. Goal Use Gauss's law to determine electric fields when the symmetry is spherical.


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