(if $\mu_{0}$ : permeability of free space and $B$ : magnetic field)
Statements $I$ : Astronomical unit $(Au)$. Parsec $(Pc)$ and Light year $(ly)$ are units for measuring astronomical distances.
Statements $II:$ $Au < Parsec ( Pc ) < ly$
In the light of the above statements. choose the most appropriate answer from the options given below: