The  magnetic field at a point on the magnetic equator is found to be `3.1 xx 10^(-5) T`. Taking the
Channel: Doubtnut
Date: 2020-07-12

The  magnetic field at a point on the magnetic equator is found to be `3.1 xx 10^(-5) T`. Taking the earth's radius to be 6400 km, calculate the magneitc moment of the assumed dipole at the earth's centre.