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## Main Question or Discussion Point

Hi, I calculated the electric field of a sphere of radius [itex]r[/itex] with a volumen density charge [itex]\rho[/itex] and also it has inside of it a spherical cavity and its center is situated in [itex]r/2[/itex] with radius [itex]r/2[/itex], so I calculated the electric field of the sphere with the cavity inside and I get

[itex]E=\frac{\rho r}{6\epsilon_0 }[/itex]

So I'd like if someone has done this exercise please correct or confirm my result. Thanks.

[itex]E=\frac{\rho r}{6\epsilon_0 }[/itex]

So I'd like if someone has done this exercise please correct or confirm my result. Thanks.