A conductor carrying current I is of the type as shown in figure. Find the magnetic field induction at the common centre O of all the three arcs.

A long wire carrying current 'I' is bent into the shape as shown in the figure. The net magnetic field intensity at the centre 'O' is

A long wire carrying current 'I' is bent into the shape as shown in the figure. The net magnetic field intensity at the centre 'O' is

Two inflinitely long wires carrying current I, are bent as shown in the figure. Find the magnetic induction at point C.

A long current carrying wire is bent as shown. The magnetic field induction at O is

The current loop abcde formed by two circular segments of radii r_1(=4cm) and r_2(=6cm) with common centre at O, carries a current I(=2A) as shown in figure. What is the magnetic field at the common centre O? What will be the value of magnetic field at O when theta=90^@ ?

A conducting wire carrying a current I is bent into the shape as shown. The net magnetic field at the centre O of the circular arc of radius R