Electromagnetic Field Theory
A point charge in space is attracted towards a dielectric material because of the

 all of above.
 phenomenon of dielectric polarisation.
 dielectric hysteresis.
 maximisation of electrostatic flux.

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

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