A wind turbine is installed in a location where the wind blows at 8 m/s. The air temperature is 10°C and the diameter of turbine blade is 30 m. If the overall turbinegenerator efficiency is 35 percent, the electrical power production is (a) 79 kW (b) 109 kW (c) 142 kW (d ) 154 kW (e) 225 kW

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