The dimension of $\frac{1}{2} \varepsilon_0 E ^2$, where $\varepsilon_0$ is permittivity of free space and $E$ is electric field, is
$M^1L^2T^{-2}$
$M^1L^{-1}T^{-2}$
$M^1L^2T^{-1}$
$MLT^{-1}$
Dimensions of stress are
The dimensions of permittivity ${\varepsilon _0}$ are
The dimensions of pressure are
The dimensions of universal gravitational constant are
The magnetic moment has dimensions of