In the diagram shown, a wire carriers current `I`. The loop has `N` turns and part of helical loop on which arrows are drawn is outside the plane of paper. What is the value of the `oint vecB.vec(dl)` (as in Ampere's law) on the helical loop shown in the figure?

Two wires with currents 2 A and 1 A are enclosed in a circular in circular loop. Another wire with current 3 A is situated outside the loop as shown. The oint vec B. vec (dl) around the loop is

A rectangular loop of wire with dimensions shown in figure is coplanar with a long wire carrying current 'I' . The distance between the wire and the left side of the loop is r . The loop is pulled to the right as indicated. What are the directions of the induced current in the loop and the magnetic forces on the left and right sides of the loop when the loop is pulled ?

A rectangular loop of wire with dimensions shown in figure is coplanar with a long wier carrying current 'I' . The distance between the wire and the left side of the loop is r . The loop is pulled to the right as indicated. What are the directions of the induced current in the loop and the magnetic forces on the left and right sides of the loop when the loop is pulled ?

The figure shows a circular loop of radius a with two long parallel wires (numbered 1 and 2) all in the plane of the paper . The distance of each wire from the centre of the loop is d . The loop and the wire are carrying the same current I . The current in the loop is in the counterclockwise direction if seen from above. . (5) Consider dgtgta , and the loop is rotated about its diameter parallel to the wires by 30^(@) from the position shown in the figure. If the currents in the wire are in the opposite directions, the torque on the loop at its new position will be ( assume that the net field due to the wires is constant over the loop).

A rectangular loop carrying a current i_(1) , is situated near a long striaght wire carrying a steady current i_(2) . The wire is parallel to one of the sides of the loop and is in the plane of the loop as shown in the figure. Then the current loop will

A rectangular loop carrying a current i is situated near a long straight wire such that the wire is parallel to one of the sides of the loop and is in the plane of the loop . If steady current I is established in the wire as shown in the figure ,

A rectangular loop carrying a current i is situated near a long straight wire such that the wire is parallel to one of the sides of the loop and is in the plane of the loop . If steady current I is established in the wire as shown in the figure ,