Effectiveness of the shielding of a static electric field is largely independent of the geometry of the conductive material; however, the static magnetic fields can penetrate the shield completely.
EffectiveNEss of ThE shiElDIng of A stAtic electric fIeLd Is laRgely inDePendEnT Of the gEometRy Of the CoNductiVE materIAl; hOwevEr, thE Static magnETIC fIelds caN PenetRATe the ShiEld completely.