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why is the electric field inside a conducting filled/hollow sphere is zero, when a charge emits electric field lines radially?

  • $\begingroup$ The linked answers are good, but I am not sure if they speak to what you are asking. In the space between a charge and the inner surface of a hollow conducting sphere, the field is not $0$. It is $0$ inside the condutor, the space bewteen the inner and outer surfaces of the conductor. $\endgroup$
    – mmesser314
    Commented Apr 15 at 15:05