Solved by a verified expert :1. What is Betz limit? Explain its relevance and factors involved in maximizing wind-turbine’s efficiency ?2. Compare and contrast heat engine versus Photovoltaic devices of energy from the sun.3. Evaluate the usefulness of solar heating on the basis of heating requirements for a building4.The Pelamis is an excellent device for harvesting wave energy. It is constructed in four hinged sections and has a total length of 120 m. Discuss the relevance of this geometry and size.
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