Question

give the relation of oerested with tesla and gauss.

Answer 1

The unit of auxillary magnetic field H in CGS is Oersted.
The unit for magnetic field B in SI is Tesla.
The relationship between the two can be established from :
10,000 Oersted = 1 Tesla
Both are the units to calculate magnetic field.
Gauss is also unit of the magnetic field.
One gauss=$1\times {10}^{-4}\mathrm{tesla}$