Physics, asked by jj9875890, 16 hours ago

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Answered by geetashukla
1

Answer:

3 blades

Explanation:

More than three blades would create greater wind resistance, slowing the generation of electricity. So, windmills having more than 3 blades are less efficient than a three blade turbine. Blades are mostly curved and on the other side of the blade is shaped aerofoil.

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