There are two infinite long parallel straight current carrying wires, A and B separated by a distance r. Figure. The current in each wire is I. The ratio of magnitude of magnetic field at point P and Q when points P and Q lie in the plane of wires is:

In the figure shown two infinitely long parallel straight current carry wires are spearated by a distance d. the current in each wire is I. Points A and B are in the plane of the wires. Find the ratio of the magnetic field B_(A) A and B_(b) at B.

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

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

a straight wire current element is carrying current 100 A as shown in figure. the magnitude of magnetic field at a point P.

a long straight wire carries a current of 35 A . what is the magnitude of magnetic field B at a point 20 cm from the wire.

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.

The magnetic induction due to an infinitely long straight wire carrying a current i at a distance r from wire is given by

The direction of magnetic field at a point due to an infinitely long wire carrying current is

Two thin infinitely long parallel wires carrying current I each are separated by a distance r. The magnitude of the force per unit length experienced by one wire due to the other is

In Fig. two long parallel wires (seen end-on) that are a distance R apart carry equal currents i in the same sense. Find the magnitude of the magnetic field at point P , which lies quidistant from the two wires at an angle theta from the plane of the wires.