What does the diagram show? an NPN transistor used as an amplifier an NPN transistor used as a switch a PNP transistor used as an amplifier a PNP transistor used as a switch

Energy is the ability to do work which measures what

An ice-making machine inside a refrigerator operates in a carnot cycle. it takes heat from liquid water at 0.0 degrees celsius and rejects heat to a room at a temperature of 19.2 degrees celsius. suppose that liquid water with a mass of 76.3kg at 0.0 degrees celsius is converted to ice at the same temperature. take the heat of fusion for water to be l_f = 3.34*10^5 j/kg.how much energy e must be supplied to the device? express your answer in joules.

The total amount of energy contained in an object