Consider the current carrying loop shown in figure formed of radial lines and segments of circles whose centres are at point `P`. Find the magnitude and direction of B at point P.

There are two parallel current carrying wires X and Y as shown in figure. Find the magnitude and direction of the magnetic field at points, P, Q and R.

A current - carrying loop is shown in the figure. The magnitude of the magnetic field produced at a point O is

A current - carrying loop is shown in the figure. The magnitude of the magnetic field produced at a point O is

A wire loop of the form shown the figure carries a current. Obtain the magnitude and direction of the magnetic field at P.

Circles with centres P and Q intersects at points A and B as shown in the figure. CBD is a line segment and EBM is tangent to the circle, with centre Q, at point B. If the circles are congruent, show that : CE = BD.

Five current carrying conductor meet at a point P. What is the magnitude and direction of the current in the fifth conductor ?

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

Four long wires each carrying current I as shown in the figure are placed at the points A, B, C and D. Find the magnitude and direction of magnetic field at the centre of the square.