As far as mechanics is concerned all systems of units are having the same dimensions for a given physical quantity. But for thermodynamics, electricity, magnetism and electromagnetics this is not the case. Why?

As far as mechanics is concerned all systems of units are having the s

1.	As far as mechanics is concerned all systems of units are having the same dimensions for a given physical quantity. But for thermodynamics, electricity, magnetism and electromagnetics this is not the case. Why?
Answer» Solution :This is because in SI we have GOT DIMENSIONS for TEMPERATURE and current also in ADDITION to LENGTH, mass and time .