Electromagnetic Field Theory
The statement which is not correct from the following:

 An electric flux line is an imaginary path or a line drawn in such a way, that its direction at any point is the direction of electric field at that point.
 For a uniform long charged line with l1 c/m the electric field intensity E is given as E = ρL/(π ε0.r).
 Gauss’s law states that total electric flux through any surface is equal to the total charge enclosed by surface.
 Gauss’s static that divergence of D = ρu.

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Electromagnetic Field Theory
Inside a hollow conducting sphere

 electric field is a non zero constant.
 electric field changes with distance from the center of the sphere.
 electric field changes with magnitude of the charge given to the conductor.
 electric field is zero.

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Electromagnetic Field Theory
A wire carrying current is bent in the form of a circular loop. Then the magnetic field around each portion of the wire will be

 parallel to half portion and perpendicular for the other half.
 none of above.
 perpendicular to the circumference of the wire.
 parallel to the plane of the wire.

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