Three long wires, each carrying current `i` are placed as shown. The middle wire is along `Y`-axis. The locus of point on the `X`-axis where magnetic field is zero is

Two long wire carrying current 2i and i are placed along co-ordinate axes x and y respectively. The locus of point where magnetic field is zero is

Three infinitely long wires, each carrying a current 1A, are placed such that one end of each wire is at the origin, and, one of these wires is along x-axis, the other along y-axis and the third along z-axis. Magnetic induction at point (-2 m, 0, 0) due to the system of these wires can be expressed as

Three infinitely long wires, each carrying a current 1A, are placed such that one end of each wire is at the origin, and, one of these wires is along x-axis, the other along y-axis and the third along z-axis. Magnetic induction at point (-2 m, 0, 0) due to the system of these wires can be expressed as

Two long wires carrying current are kept crossed ( not joined at ) . The locus where magnetic field is zero is -

Two long wires carrying current are kept crossed ( not joined at ) . The locus where magnetic field is zero is -

Two infinitely long wires each carrying current I along the same direction are made into the geometry as shown in the figure. The magnetic field at the point P is

Two straight segments of wire ab and bc each carrying current I, are placed as shown in fig. The cube edge is 50 cm and magnetic field is uniform along y-axis having magnitude 0.4T

Two straight segments of wire ab and bc each carrying current I, are placed as shown in fig. The cube edge is 50 cm and magnetic field is uniform along y-axis having magnitude 0.4T. If I=3A, the force experienced by the wire abc in the presence of magnetic field

A long current carrying wire is bent as shown. The magnetic field induction at O is

There are two parallel current carrying wires X and Y as shown in figure. Find the distance of a point from wire X, where the resultant magnetic field is zero.