Name C.G.S and S.I. units of charge. Give relation between them.

What are the S.I. and C.G.S units of force? Give a relationship between them.

The S.I unit of mass is

What is the SI unit of charge ?

Define S.I. unit of electric charge.

The S.I unit of relative density is

Define the terms time period and frequency of an oscillating body. Give their units and write the relation between them.

What is S.I. unit of torque?