Question

(14) What should be the velocity of wind to rotate the turbine of a wind mill?
(15) Write full form of CNS ?
(16) What is a good source of energy​

Answer 1

14) ➪ A minimum wind speed (generally 12-14 km/h) , Strong winds (50-60 km/h) to generate at full capacity.

15) ➪ Central nervous system.

16) ➪ Solar energy, wind energy, biomass and hydropower energy.