If ${E}$ and ${H}$ represents the intensity of electric field and magnetising field respectively, then the unit of $E/H$ will be :
$ohm$
$mho$
$joule$
$newton$
$'Torr'$ is the unit of
One yard in $SI$ units is equal
What is unit ? What are fundamental unit and derived unit.
Candela is the unit of
Unit of stress is