Respuesta :
Electric power is the name for the amount of energy transferred every second by an electrical appliance
Power is the rate at which energy is used. The unit of power is the watt , which has the symbol W. 1 W is 1 J per second. So, for example, a 20 W electric lamp uses 20 J of electrical energy every second to stay alight. ... These show the power rating of the appliance in W.