Which of the following is not represented in correct unit
$\frac{{{\rm{Stress}}}}{{{\rm{Strain}}}} = N/{m^2}$
Surface tension =$N/m$
Energy $ = kg{\rm{ - }}m/\sec $
Pressure $ = N/{m^2}$
${\rm{Wb/}}\Omega $ unit is representing which physical quantity ?
The unit of $e.m.f.$ is
Which of the following represents a $volt$
The unit of Stefan's constant $\sigma $ is
Unit of stress is