Advertisements
Advertisements
प्रश्न
State two advantages and disadvantages of using wind energy for producing electricity.
Advertisements
उत्तर
Advantages:
(i) Wind is free and will run not (renewable sources).
(ii) Wind energy does not create greenhouse gases.
Disadvantages:
(i) The wind farms can be established only at places near the coastal areas where the wind blows around the year steadily with a speed not less than 15 Km h-1.
(ii) The establishment of the wind farm is expensive.
APPEARS IN
संबंधित प्रश्न
Give one relevant example for the following transformations of energy:
Chemical energy to heat energy.
Name the type of energy (kinetic energy K or potential energy U) possessed in the given cases:
A compressed spring
A body of mass m is moving with a velocity v. Write the expression for its kinetic energy.
State two characteristic which a source of energy must have.
Select the renewable and non-renewable sources of energy from the following:
Wind
Name three non-renewable sources of energy.
Name the energy changes for the following:
electric ball
Calculate the kinetic energy of a body of mass 0.1 kg. and momentum 40kg m/s.
You might have seen some beautiful fireworks during Diwali. It is an example of the transformation of ______ energy into ______ energy.
