Fig shows two current-carrying wires 1 and 2. Find the magnitudes and directions of the magnetic field at points P,Q and R.

In the figure are shown two long parallel current carrying wires I and II. Find the magnitudes and directions of the magnetic field induction at the point P, Q and R in the plane of paper.

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

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

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

Find the magnitude and direction of magnetic field at point P due to the current carrying wire as shown in