Advertisements
Advertisements
प्रश्न
State two advantages and two disadvantages of using hydro-energy for producing electricity.
Advertisements
उत्तर
Advantages:
(i) When electricity is generated, no greenhouse gases are made.
(ii) It is an inexhaustible source of energy.
Disadvantages:
(i) The dam is expensive to build.
(ii) By building a dam, the nearby area has to be flooded and this could affect nearby wildlife and Plants.
संबंधित प्रश्न
Define calorific value of a fuel.
Name the type of energy (kinetic energy K or potential energy U) possessed in the given cases:
A moving bus
How is the solar energy used to generate electricity in a solar power plant?
What is nuclear energy?
How is kinetic energy possessed by a moving body measured?
What is dissipation of energy?
State the energy changes which take place in Electricity is obtained from solar energy.
State the energy changes which take place when:
A body thrown vertically upwards from the ground.
Give one example when:
Electric energy changes to sound energy.
Give one example when:
Potential energy changes to electric energy.
