Electric field is zero inside the sphere in which of the following cases -
Inside the Conducting solid sphere
Inside the Conducting hollow sphere
Inside the Non - Conducting hollow sphere
All of the above
For a point inside the sphere (r<R) -
Since charge will be zero in this case for hollow sphere and conducting solid sphere. So, E = 0 in inside the sphere.
This is for conducting solid sphere, non-conducting and conducting hollow spheres.
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