Electromagnetic Field Theory
Between a hollow and solid metal sphere, charge reside

 None of above.
 on outer surface in hollow and throughout in solid
 on outer surface in hollow and throughout in solid.
 on outer surface in both.

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Electromagnetic Field Theory
If an electric current carrying coil is placed in a uniform magnetic field in the direction of magnetic induction, then

 the net force and torque are both finite.
 the net force is zero but torque is finite.
 the net force is finite but torque is zero.
 the net force and torque on the coil are both zero.

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

 Gauss’s static that divergence of D = ρu.
 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.
 Gauss’s law states that total electric flux through any surface is equal to the total charge enclosed by surface.
 For a uniform long charged line with l1 c/m the electric field intensity E is given as E = ρL/(π ε0.r).

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