A square frame of side `l` carries a current produces a field `B` at its centre. The same current is passed through a circular loop having same perimeter as the square. The field at its centre is `B'`, the ratio of `B//B'` is

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

If a square frame of side L is made from a uniform wire and current I is flowing through it and its magnetic field intensity at the centre is B_(1) . When the same current is passed through the circular loop whose circumference is same as that of the square, the magnetic field at the centre is B_(2) . What will be B_(1)//B_(2) ?

A square loop of wire of side a carries a current i . Calculate the magnetic field at the centre of the loop

A square conducting loop of side length L carries a current I.The magnetic field at the centre of the loop is

A square conducting loop of side length L carries a current I.The magnetic field at the centre of the loop is