The methods of standardization or calibration employed have much in common even in the cases that appear most diverse.
The joule (/ËdÊuËl/), symbol J, is a derived unit of energy in the International System of Units. It is equal to the energy transferred (or work done) to an object when a force of one newton acts on that object in the direction of its motion through a distance of one metre (1 newton metre or NÂ·m).
Units of Measurement. kW is a unit of Power and stands for kilowatt or 1 thousand watts. kWh is a unit of energy and stands for a kilowatt hour or a power level of 1 thousand watts continuously for one hour. as an example: