Write down the dimensional formula of `mu`.

Write down the dimensional formula of relative permeability (mu_r) .

Write down the dimensional formula of resitivity.

Write down the dimensional formula of force of friction

Write down the dimensional formula of Universal gas constant

Write down the dimensional formula of constant of proportionality in Coulomb's law.

Write down the dimensional formula of the physical quantity whose S.I unit is weber.

Write down the Dimensional formula of epsilon

Write the dimensional formula of 'B'.

Define specific heat capacity of of a material. What are factor /factors upon which it depends ? Write the dimensional formula.