Our environment comprises a wide variety of natural resources. Nowadays due to over utilisation we have exploited these natural resources. We... View Article
As an individual one should make the contribution and some variations for the management of Forests and wildlife, water resources and coal... View Article
Our resources like forests, wildlife, water, coal and petroleum need to be used sustainably. We can reduce pressure on the environment by... View Article
Rainwater harvesting is the simple process or technology used to conserve Rainwater by collecting, storing, conveying and purifying of Rainwater... View Article
Forests are the major part of an ecosystem. They are an abode to various plants and animals. They maintain environmental balance by inhaling... View Article
Biomass Biomass is the fuel developed from organic matter waste of living organisms like plant waste, animal waste, forest waste, and municipal... View Article
Fossil fuel and solar energy are rich energy sources. Both types of fuel have positive and negative effects. Fossil fuels are the fuels... View Article
Renewable energy is energy that is produced from natural processes and continuously replenished. Few examples of renewable energy are sunlight,... View Article
Hydrogen gas is cleaner than Compressed Natural Gas (CNG). This is because CNG contains hydrocarbons. Carbon acts as a form of pollutant in CNG.... View Article
We are looking for alternative sources of energy because fossil fuels are non-renewable sources of energy. They are not available in large... View Article
Copper and aluminium are good conductors of electricity also they have low resistivity. So they are usually used for electricity transmission.... View Article
Electrical resistance is directly proportional to the length (L) of the conductor and inversely proportional to the cross-sectional area (A). It... View Article
In series circuits voltage is divided. Each component of a series circuit receives a small voltage so the amount of current decreases and the... View Article
Materials that permit electricity or heat to pass through it is called conductors. Alloys are combinations of metals or metals and other... View Article
Tungsten is used as filament in electric bulbs The melting point and resistivity of Tungsten are very high. At high temperatures, it does... View Article
The energy consumed by electrical appliances is given by the equation Electric power is the rate of consumption of electrical energy by electric... View Article
A rational and irrational number. The rational numbers are the numbers that can be represented in p/q form where q is not equal to zero. It is... View Article