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

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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
According to Coulomb’s law, the force of attraction or repulsion, between to electrical charges is

 directly proportional to the square of the distance between them.
 inversely proportional to the distance between them.
 directly proportional to the distance between them.
 inversely proportional to the square of the distance between them.

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