Two long straight horizontal parallel wires one above the other are separated by a distance `'2a'` . If the wires carry equal currents in opposite directions, the magnitude of the magnitude induction in the plane of the wires at a distance `'a'` above the upper wire is

Two long parallel wires are separated by a distance of 2m. They carry a current of 1A each in opposite direction. The magnetic induction at the midpoint of a straight line connecting these two wires is

Two long parallel wire A and B situated perpendicuilar to the plane of the paper at a distance 2a are carrying equal currents I in opposite direction as show in the figure . The value of magnetic induction at point P situated at equal distance r from both the wires will be

Two long parallel wire A and B situated perpendicuilar to the plane of the paper at a distance 2a are carrying equal currents I in opposite direction as show in the figure . The value of magnetic induction at point P situated at equal distance r from both the wires will be

Two long straight wires, each carrying a current I in opposite directions are separated by a distance R . The magnetic induction at a point mid way between the wire is

Two long parallel straight wires X and Y separated by a distance of 5 cm in air carry currents of 10A and 5A respectively in opposite directions. Calculate the magnitude and direction of the force on a 20 cm length of the wire Y.

Two thin long parallel wires separated by a distance 'a' are carrying current I amp each . The magnitude of the force per unit length excited by one wire on the other is

Two parallel straight long conducting wires, which are placed at a distance r from each other, are carrying equal currents I in opposite directions. The value of magnetic induction at a point situated at a point situated x from one wire in between the wires will be:

Two thin, long, parallel wires, separated by a distance 'd' carry a current of 'i' A in the same direction. They will

Two thin, long, parallel wires, separated by a distance 'd' carry a current of 'i' A in the same direction. They will

Two thin, long, parallel wires, separated by a distance 'd' carry a current of 'i' A in the same direction. They will