Search Results for: Electrical apparatus used for protecting electrical circuits
quantities derived from the fundamental base units of the system, units derived from the base units are used–e.g., the square metre is the derived unit for area, a quantity derived from length. these derived units are coherent , which means that they involve only products of powers of the base units
length, kilogram for mass, second for time, ampere for electric current, kelvin for temperature, candela for luminous intensity and mole for amount of substance. these, together with their derived units, can measure any physical quantity. derived units may have their own unit name, such as the watt...
https://en.wikipedia.org/wiki/Metric_system