A current carrying wire in the form of 'V' alphabet is kept as shown in the figure. Magnetic field intensity at point P which lies on the angular bisector of V is

A coil having N turns carry a current I as shown in the figure. The magnetic field intensity at point P 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

the force on current carrying wire placed in uniform magnetic field B as shown in figure is

A current carrying wire AB of the length L is turned along a circle, as shown in figure. The magnetic field at the centre O.

Figure shows a square loop of edge a made of a uniform wire. A current i enters the loop at the point A and leaves it at the point C. Find the magnetic field at the point P which is on the perpendicular bisector of AB at a distance a/4 from it.

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

A conductor is carrying a current i. the magnetic field intensity at a the point O which is the common centre of three arcs is

A conducting wire carrying current I is shown in the figure. The magnitude of magnetic field at the point P will be

A hairpin like shape as shown in figure is made by bending a long current carrying wire. What is the magnitude of a magnetic field at point P which lies on the centre of the semicircle ?