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The electric field from the non - conducting uniformly charged wire will be perpendicular to the wire. So, we can say that the direction of the electric field is completely along the x component of the electric field vector. Hence, the z - component of the electric field will be zero. Option B is correct.
We can see that the electric field from the non - conducting wire will be always perpendicular to the wire but it will never be perpendicular to the surface non - conducting spherical shell at every point. However, it will be perpendicular to the surface of the spherical shell at some point so option D is wrong.
question 3 please explain option B,D also