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WebOne of the most common units of electrical power for appliances is the watt (W). Other common units of power include kilowatts (kW), British thermal units (BTU), horsepower (hp), and tons. Watts, kilowatts and kilowatt-hours: Watts (W) is a unit of power used to quantify the rate of energy transfer. It is defined as 1 joule per second. WebA watt, in electrical terms, is the rate at which electrical work is done when one ampere (A) of current flows through one volt (V). Formula: W= A* V . Whenever current flows through a resistance, heat results. This is inevitable. The heat can be measured in watts, abbreviated W, and represents electrical power. early and late signs of hypoxemia
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