Two wires X and Y have same length of 44 cm and carry a current of 10A each. Wire X is bent into a circle and wire Y is bent into a square. Obtain the magnitudes of the magnetic fields at their centres.

Two indentical wires A and B, each of length I, carryi the same current I. Wire is bent into a circle of radius R and wire B is bent to form a square of side a. if B_(A) and B_(B) are the values of magnetic field at the centres of the circle and square respectively, thne the ratio B_(A)//B_(B) is

Each side of a hexagonal loop of a metal wire is a. The loop carries a current I. Find the magnitude of the magnetic field at the centre of the loop

A rectangular loop of metallic wire of length a and breadth b carries a currnet I. Find the magnitude of the magnetic field at the centre of the loop.

A rectangular loop of metallic wire is of length a and breadth b and carries a current I. Find the magnitude of the magnetic field at the centre O of the loop.

The diameter of a circular wire is 5 dcm 6 cm. If the wire be bented into a square, then the side of the square is

A 45 cm long copper wire is bent to from a square. Let's find the length of one side of the square.

A straight conductor of length l m carrying a current 1A is bent in the form of a semicircle. The magnetic field (in tesla) at the centre of the semicircle is-