Dimensions Questions

The ratio of the dimensions of Planck's constant and that of the moment of inertia is the dimension of :

Dimension of electrical resistance is:

Dimensions of resistance in an electrical circuit, in terms of dimension of mass $M$, length $L$, time $T$ and current $I$, would be:

Which two of the following five physical parameters have the same dimensions?(a) energy density(b) refractive index(c) dielectric constant(d) Young's modulus(e) magnetic field

If the dimensions of a physical quantity are given by $M^a{L}^b{T}^c$, then the physical quantity will be: