Figure shows an end view of two long, parallel wires perpendicular to the xy plane, each carrying a current I, but in opposite directions.

At what value of x, the magnitude of `vecB` is maxismum?

Figure shows an end view of two long, parallel wires perpendicular to the xy plane, each carrying a current I, but in opposite directions. Graph the magnitude of vecB at point on the x-axis.

Figure shows an end view of two long, parallel wires perpendicular to the xy plane, each carrying a current I, but in opposite directions. Graph the magnitude of vecB at point on the x-axis.

Figure shows an end view of two long, parallel wires perpendicular to the xy plane, each carrying a current I, but in opposite directions. Derive an expression for the magnitude of vecB at any point on the x-axis in terms of the x-coordinate of the point. What is the direction of vecB ?

Figure shows an end view of two long, parallel wires perpendicular to the xy plane, each carrying a current I, but in opposite directions. Derive an expression for the magnitude of vecB at any point on the x-axis in terms of the x-coordinate of the point. What is the direction of vecB ?

Two free parallel wires carrying current in opposite direction :