A wire of length l is bent in the form of an equilateral triangle and carries an electric current i. (a) Find the magnetic field B at the centre. (b) If the wire is bent in the form of a square, what would be the value of B at the centre?

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?

A conducting wire of length L is bent in the form of an equilateral triangle. If current I is made to pass through it, then calculate the magnetic field intensity at the centre of the triangle.

Magnetic field at the centre of coil of n turns, bent in the form of a square of side 2l , carrying current i , is

Find the experssion for the magnetic field at the centre O of a coil bent in the form of a square of side 2a , carrying current I, figure.

The wire of length L is bent in the form of square and circle.The ratio of their magnetic moment at their centre is

Caculate the magnetic field induction at the centre of a coil bent in the form of a square of side 10 cm carrying current of 10 A.

A wire of length L carrying a current I is bent into a circle. The magnitude of the magnetic field at the centre of the circle is

A wire of length L carrying a current I is bent into a circle. The magnitude of the magnetic field at the centre of the circle is

If a thin wire of length 88 cm is bent into a circular loop and a current of 1A is passed, a. What is the magnetic field at the centre? b. What is the magnetic field at the centre if the wire is bent into a semicircle and doubled on it? c. If the wire is looped into two loops, find the magnetic field at the centre.