Ms. Saja working as a design engineer in one of the wind turbine company. She is designing a wind turbine rotor to achieve the optimum angle of attack. Choose the suitable method to achieve optimum...

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Extracted text: Ms. Saja working as a design engineer in one of the wind turbine company. She is designing a wind turbine rotor to achieve the optimum angle of attack. Choose the suitable method to achieve optimum angle of attack. O a. Give a small twist to the blade from root to tip O b. Increase blade number from two to three O c. Increase the tower height double the length of the blade d. Give the yaw drive to the rotor.