Magnetic field at point $'M'$ of given current distribution

818-1015

  • A

    $\frac{{2{\mu _0}}}{\pi } \odot $

  • B

    $\frac{{5{\mu _0}}}{{2\pi }} \otimes $

  • C

    $\frac{{2{\mu _0}}}{{\pi }} \otimes $

  • D

    $\frac{{{\mu _0}}}{{2\pi }} \otimes $

Similar Questions

A coil having ${N}$ turns is wound tightly in the form of a spiral with inner and outer radii $'a'$ and $'b'$ respectively. Find the magnetic field at centre, when a current $I$ passes through coil :

  • [JEE MAIN 2021]

In the diagram, $I_1$ , $I_2$ are the strength of the currents in the loop and infinite long straight conductor respectively. $OA = AB = R$ . The net magnetic field at the centre $O$ is zero. Then the ratio of the currents in the loop and the straight conductor is 

Field at the centre of a circular coil of radius $r$, through which a current $I$ flows is

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

  • [KVPY 2016]

The following statement is false for Helmholtz coils