A wire in the form of a square of side a carries a current I Then, the magnetic induction at the centre of the square is (magnetic permeability of free space= `mu_(0)`)

A wire in the from of a square of side 'a' carries a current i . Then the magnetic induction at the centre of the square wire is (Magnetic permeability of free space= mu_(0) )

A wire in the from of a square of side 'a' carries a current i . Then the magnetic induction at the centre of the square wire is (Magnetic permeability of free space= mu_(0) )

A wire in the form of a square of side '2m' carries a current 2A . Then the magentic induction at the centre of the square wire is ( magnetic permeability of free space =mu_(0))

A square loop of side a carris a current I . The magnetic field at the centre of the loop is

A square loop of side a carris a current I . The magnetic field at the centre of the loop is

A square wire of each side l carries a current I . The magnetic field at the mid point of the square is

A square loop of edge 'a' carries a current l. The magnetic field at the centre of loop is

The magnetic field at the centre of square of side a is