Choose the incorrect statement regarding wind power:
1
It is expected to harness wind power to the maximum in open space.
2
The Potential energy content of wind blowing at high altitudes is the source of wind power.
3
Wind hitting at blades of a windmill causes them to rotate. The rotation thus achieved can be utilized further.
4
One possible method of utilizing the energy of rotational motion of the blades of a windmill is to run the turbine of an electric generator.