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I read on Wiki that Earnshaw's theorem has been proven for extended conducting bodies. If we consider the case of a positive charge at the centre of a symmetric metal cavity- the positive charge and the induced negative charge constitute a system which violates Earnshaw's law.

Where am I wrong in thinking this way?

I read on Wiki that Earnshaw's theorem has been proven for extended conducting bodies. If we consider the case of a positive charge at the centre of a symmetric metal cavity- the positive charge and the induced negative charge constitute a system which violates Earnshaw's law.

Where am I wrong in thinking this way?

I read on Wiki that Earnshaw's theorem has been proven for extended conducting bodies. If we consider the case of a positive charge at the centre of a symmetric metal cavity- the positive charge and the induced negative charge constitute a system which violates Earnshaw's law.

Where am I wrong in thinking this way?

I read on Wiki that Earnshaw's theorem has been proven for extended conducting bodies. If we consider the case of a positive charge at the centre of a symmetric metal cavity- the positive charge and the induced negative charge constitute a system which violates Earnshaw's law.

Where am I wrong in thinking this way?