Electromagnetic Field Theory
Two spheres of radius r1 and r2 are connected by a conducting wire. Each of the spheres has been given a charge Q. Now

 smaller sphere will have zero potential.
 both of sphere will have same potential.
 larger sphere will have smalled potential.
 larger sphere will have greater potential.

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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?

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

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