14. Intext Questions V

 

In the olden days, windmills were used to trap  and used the energy to do  like lifting or drawing water from a well. But nowadays, windmills are used to . Wind's kinetic energy is captured and converted into  with the help of the rotatory motion of the blades, which turns the turbine of the electric generator to generate electricity.

 

Similarly, In the olden days, waterfalls were the source of . But nowadays, as the number of waterfalls has reduced,  are constructed and are used as a source to trap the . Here, the water falls from a , producing electricity.