kimofernandez867 kimofernandez867

21-01-2018
Spanish

contestada

Un motor electrico consume 15.0 a a 110 v. determine
a.la entrada de potencia y
b.el costo de operar el motor durante 8.00 h a 10.0 â¢ kw â· h.

Respuesta :

alexbarajas319 alexbarajas319

21-01-2018

a) la potencia P=IV (corriente por voltaje)
P=15A * 110v
P=1650 W (dejemoslo en watts pensando que es de corriente directa)

b)durante 8 horas gastaste (8h)*(1650W) = 13.2KWh
y debido a que el costo de consumo es 10 centavos por cada KWh
gastaste 132 centavos

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