Power and energy are different physical quantities. They have their own units in SI system
Unit of energy is joule and that of power is watt.
Of course electrical energy is measured as kW h
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Power is measured in units of watts (W), which represents the rate at which energy is used or generated. It is defined as 1 joule of energy being used per second.
No, megawatt is a unit of power, not energy. It measures the rate at which energy is produced or consumed. Energy is measured in units such as watt-hours or kilowatt-hours.
A unit of energy is the unit of work or heat. It measures the capacity of a system to do work or produce heat. The standard unit of energy is the joule.
A microwave oven's energy output is typically measured in watts (W), which represents the rate at which the microwave oven uses electrical power to generate microwave radiation for heating food.
A watt is a unit of power. Power measures the rate at which work is done or energy is used. Electrical energy is typically measured in watt-hours or kilowatt-hours.
The unit of measurement for electromagnetic energy is the joule (J).