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Power is defined as the rate at which work is done or energy is transferred. The page delves into various aspects of power, including its mathematical definition, units of measurement, and its relationship with other physical quantities. The page provides a comprehensive explanation of the formula used to calculate power, which involves dividing the work done by the time taken to complete it. It further explains the significance of power in different fields, such as mechanics, electricity, and thermodynamics, highlighting its importance in understanding various phenomena and making practical applications. The page also discusses different units used to measure power, including the watt (W), which is the standard unit in the International System of Units (SI). It explores other units like the horsepower (hp) and the foot-pound per minute, providing context and historical background for these units. Additionally, the page explores the concept of average power and provides examples to help readers grasp the concept better. It also covers the concept of instantaneous power, which refers to power calculated at a specific moment in time. The distinction between these two concepts and their relevance in different scenarios is explained in detail. Furthermore, the page discusses the conversion of power between different forms and how power can be transmitted or transformed. It highlights the efficiency of power transmission systems and how power losses can occur during the process. The sections on renewable energy and electric power transmission systems provide insight into the practical applications of power concepts. Overall, the Wikipedia page on "Power (physics)" provides a comprehensive overview of power, its calculation, units of measurement, and its various applications within the field of physics. It serves as a valuable resource for students, researchers, and anyone seeking a deeper understanding of this fundamental physical quantity.