Question

The minimum speed of wind for better working of windmills is

A) 15m/s B) 15km/h C) 22m/s D) 10km/h​

Answer 1

a typical turbine requires a out 10 miles /15km to work

Answer 2

(b) 15km/h.

The kinetic energy of wind is utilised to generate electricity. In this, the wind energy is used to move the turbine of windmill at high speed which generates electricity. So, the minimum speed required to move the fans of windmill is 15 km/hr.

Hope it's helpful..