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Electric power is the rate of transfer of electrical energy within a circuit.Its SI unit is the watt, the general unit of power, defined as one joule per second.Standard prefixes apply to watts as with other SI units: thousands, millions and billions of watts are called kilowatts, megawatts and gigawatts respectively.
Electrical energy is the energy transferred as electric charges move between points with different electric potential, that is, as they move across a potential difference. ...
1 libra = 0.5 kg 1 bag = 62.5 kg. [1] Some other units are: 1 tonelada = 2000 libra 1 carga = 250 libra 1 Saco = 125 libra 1 Quintal = 100 libra 1 arroba = 25 libra 1 onza = 1 ⁄ 16 libra. [3] According to another older source, one quintal was equal to 46.012 kg (101.438 1 lb). [4]
Energy (from Ancient Greek ἐνέργεια (enérgeia) ' activity ') is the quantitative property that is transferred to a body or to a physical system, recognizable in the performance of work and in the form of heat and light.
When discussing the chemical energy contained, there are different types which can be quantified depending on the intended purpose. One is the theoretical total amount of thermodynamic work that can be derived from a system, at a given temperature and pressure imposed by the surroundings, called exergy.