A magnetic needle free to rotate in a vertical plane parallel to the magnetic meridian has
Channel: Doubtnut
Date: 02/08/2020

A magnetic needle free to rotate in a vertical plane parallel to the magnetic meridian has its north tip pointing down at `22^@` with the horizontal. The horizontal component of the earth's magnetic field at the place is known to be `0*35G`. Determine the strength of the earth's magnetic field at the place.