A long straight wire along the z-axis carries a current I in the negative z-direction. The magnetic vector field B at a point having coordinate `(x,y)` on the `z=0` plane is:

A long straight wire along the z-axis carries a current I in the negative z-direction. The magnetic vector field vec(B) at a point having coordinnates (x, y) in the z = 0 plane is

A long straight wire along the z- axis carries a current I in the negative z- direction . The magnetic vector field vec(B) at a point having coordinates (x,y) in the Z = 0 plane is

A long, straight wire lies along the y-axis and carries a current I=8A in the y-direction (as shown in Fig) In addition to the magnetic field due to the current in the wire, a uniform magnetic field vecB_0 with magnitude 1.50xx10^-6T is in the +x direction. What is the total field (magnitude and direction ) at following points in the plane? (a) x=0,z=1.00m (b) x=1.00m,z=0 (c) x=0, z=-0.25m

A long straight wire in the horizontal plane carries as curret of 75 A in north to south direction, magnitude and direction of field B at a point 3 m east of the wire is

A long straight wire carries a current of 35A . What is the magnetic of the field vecB at a point 20cm from the wire?

An infinitely long, noc-conducting cylidner of radius R lies along the z-axis. Five long, conducting wires are parallel to the cylinder and spaced equally on the upperhalf of its surface. Each wire carries a current I in the opposite z-direction. Find the magnetic field on the z-axis. opposite z-direction. Find the magnetic field on the z-axis.

A long, straight wire carries a current along the z-axis. One can find two points in the x-y plane such that

A very long straight wire of radius 'r carries current 'I'. Intensity of magnetic field 'B' at a point, lying at a perpendicular distance 'a' from the axis is propto ___________