Three infinitely long wires,each carrying equal current are placed in the `xy` -plane along `x=` `0,+d` and`-d`.On the `xy` -plane,the magnetic field vanishes at

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

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 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

Three infinitely long thin wires, each carrying current i in the same direction, are in the x-y plane of a gravity free space . The central wire is along the y - axis while the other two are along x = +-d . (i) Find the locus of the points for which the magnetic field B is zero. (ii) If the central wire is displaced along the Z- direction by a small amount and released, show that it will excecute simple harmonic motion . If the linear density of the wires is lambda , find the frequency of oscillation.

A wire loop carrying current I is placed in the x-y plane as shown. Magnetic induction at P is

Three infinitely long thein wires, each carrying curren i int eh same diecrtion, are the dxy plane of a gravilty free space. The central wire is along the y-axis while the other two are along x=+-d i find the locus of the points for which the magnetic field B is zero. ii If the central wire is displaced along the z -direction by a smal amount and released, show that it will execute simple harmonic motion. If the linear mass density of the wires is lamda , find the frequency of oscillation.

Three infinitely long thin wires each carrying current I in the same direction are in x-y plane of a gravity free space. The central wire is along the y -axis while the other two are along x=+-d . If the central wire is slightly displaced along z -axis and released, show that it will execute S.H.M . The linear mass density of the wire is lambda . If the time period of this small oscillation is (kpid)/(I)sqrt((pilambda)/(mu_(0))) , then find the value of k .

Assertion three infinitely long current carrying wires have equal currents and they are equally spaced. The magnitude of magnetic force on all three is same. Reason Net force on wire-2 is zero.

two infinite wires, carrying currents i_1 and i_2 ., are lying along x-and y-axes, as shown in the x-y plane. Then,

A circular loop of radius r carries a current i .How should a long, straight wire carrying a current 3i be placed in the plane of the circle so that the magnetic field at the centre of the loop becomes zero?