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 zero but torque is finite.
 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.

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Electromagnetic Field Theory
Two identical circular coils, one closed and another is little split (not enclosed) are placed in an uniform magnetic field which decrease at a constant rate. If the plane to the coils are perpendicular to the field which of the following statements is true?

 An emf is induced in split coil.
 Joule heating does not occur in each of the coils.
 Equal joule heating occurs in both coils.
 An emf is induced in both coils.

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