Electric field lines cannot enter inside the hollow metallic sphere(shell). That means the electric field inside the shell is zero. So, the potential inside the shell will be constant. Therefore, the potential at the center of the sphere is the same as that on its surface, that is 10 V.
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SANTOSH KUMAR
June 21, 2018Electric field lines cannot enter inside the hollow metallic sphere(shell). That means the electric field inside the shell is zero. So, the potential inside the shell will be constant. Therefore, the potential at the center of the sphere is the same as that on its surface, that is 10 V.