The power station operates with a capacity of (400 MW) and a difference of voltage (75kV), and provides power to homes through cables of total resistance 5Ω. Calculate the percentage of energy lost in the cables for the power produced?

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Astudent wears sunglasses to her read a book more easily which wave interaction occurs as light passes from the air into the plastic lenses? a polarization b.refraction c.diffraction d. interference

One form of energy can be another type of energy. a. created to form b. transformed into c. destroyed and then created to form

Awater-filled u-tube manometer is used to measure the pressure inside a tank that contains air. the water level in the u-tube on the side that connects to the tank is 5 ft above the base of the tank. the water level in the other side of the u-tube (which is open to the atmosphere) is 2 ft above the base. determine the pressure within the tank.