The figure shows a wire frame in xy-plane carryigna current `I`. The magnetic field at the point `O` is

In the figure, the curved part represents arc of a circle of radius x . If it carries a current I then the magnetic field at the point O is

In the figure, the curved part represents arc of a circle of radius x . If it carries a current I then the magnetic field at the point O is

The figure shows a semi-circular wire of radius 10 cm in the xy plane carrying current 2 A. If the magnetic field in the region is 3.0 T(-k) then the magnetic force on the wire will be

The segment of wire shown in figure carries a current of i=5 A. The magnetic field (in Tesla) at the point P is

The segment of wire shown in figure carries a current of i=5 A. The magnetic field (in Tesla) at the point P is

Two long straight wires are connected by a circular section that has a radius r as shown in the figure . All segments of the wire lie in the same plane and carry steady current I . The magnetic field at centre O of the circular segment is

Shown in the figure is a conductor carrying a current I. The magnetic field intensity at the point O(common centre of all the three arcs) is :

Shown in the figure is a conductor carrying a current I. The magnetic field intensity at the point O(common centre of all the three arcs) is :

Two perpendicular infinite wires are carrying current i as shown in the figure. The magnetic field at point P is :