Life couldn't exist if there is no energy in this world. Energy is a physical quantity whose measurement unit is joule or erg. According to conservation of energy " Energy can neither be created nor it can be destroyed,but it can be change from one state to another." As we all know, it is of two types, renewable and non-renewable.
Renewable is better than non-renewable like petrol, diesel, gas, coal. These petroleum fuels can neither be use again nor conserve .
We should prefer solar energy.
SOLAR ENERGY
It is the best medium to convert sun's energy to electrical energy, most importantly the Eco-friendly source of energy. Solar energy is best idea to mitigate the climate change if everyone focus on implementing this source we mustn't face many of the problems like global heating and side effect of climate change.So, it is concluded that the energy extract from sun is better to consume rather than preferring petroleum. Along with conclusion, a suggestion to all of us is improving or advancing this technology.
Process
Main part of this is the solar panel or photo voltaic plate.When the sunlight hits on the surface of this plate, the electron become loose when the cell is energized. In this way the loosed electron are set into motion by the electric field around the wafer and this motion create the electrical current.
Advantages
In context of Solar Energy it contain no harm, i.e. on the possible condition we must promote the usage of the solar energy. It is the type of the energy which is used by the earlier primitives of human beings. It is easy to use in our daily life. For instance we use solar energy to dry the grain. It is the common usage of solar energy. The advantages can be mention as below;
- Solar energy is a renewable energy resource, i.e it never ends after the use.
- It is bio friendly which never produce any harmful scrap after usage.
- One time installation cost but free for ever.
- As long as the Sunlight remains it never finish in existance.
WIND ENERGY
Another important source of energy is wind related energy. It is best way to produce fuel in the windy area.
Process
A big turbine which is rotated with the flow and force of wind, with the rotation of turbine with respect to aerodynamic force, an electrical energy is generated according to Faraday's law.
Advantages
It do have both pros and cons. Although it is weather based, cost effective during installation, space variant, contains many more advantages.
- Renewable source of energy
- Reduces electricity bill
- Recognizes as modern technology
- Any type of pollution is restricted
- More applicable during load shedding
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