If a straight conductor of length `40cm` bent in the form of a square and the current `2A` is allowed to pass through square, then find the magnetic induction at the centre of the square loop.

A mettalic wire is bent into a square of each side a. If a current I is passed through the wire, what is the magnetic field at the centre of the square?

A current of 2*00 A exists in a square loop of edge 10*0 cm . Find the magnetic field B at the centre of the square loop.

A current of 2*00 A exists in a square loop of edge 10*0 cm . Find the magnetic field B at the centre of the square loop.

A current of 2*00 A exists in a square loop of edge 10*0 cm . Find the magnetic field B at the centre of the square loop.

Two identical wires each of length L are bent to form a circular loop and a square loop. If the same current i flows in the two wires, then the ratio of the magnetic inductions at the centre of the circular and square loops is :

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 of length l is bent in the form of a square and carries a current I. What is the value of its magnetic moment?

An infinitely long straight conductor is bent into the shape as shown in figure. It carries the current I and radius of the circular loop is a, then the magnetic field at the centre of the loop is ______

ABCD is a square of side L . A very long straight conductor carrying a current i passes through the vertex A of the square and is perpendicular to its plane. The minimum magnetic induction at a vertex of the square is