Question

The power generated in a windmill

Options

• is more in rainy season since damp air would mean more air mass hitting the blades

• depends on the height of the tower

• depends on wind velocity

• can be increased by planting tall trees close to the tower

Answer 1

depends on wind velocity

Explanation - 

The power generated in a windmill depends on wind velocity. The more the wind speed, the more will be the power generated and vice-versa.