The main constituent of petroleum gas is butane that it also contains smaller amounts of propane and erhane. Thus, we can say that petroleum gas ⛽ is a mixture of three hydrocarbons: butane, propane and ethane. Butane, propane and ethane, all burn readily producing a lot of heat. This m…

When an electric current is passed through a high resistance wire, like nichrome wire, the resistance wire becames very hot and produces heat. This is called the heating effect of current. The heating effect of current is obtained by the transformation of electrical energy into heat ene…

Electricity is an important source of energy in the modern times. Electricity 🔌 is used in our homes, in industry and in transport. For example, electricity is used in our homes for lighting, operating fans and heating purpose. In industry, electricity is used to run various types of m…

" Where there is oxidation there is always reduction - Chimestry is essentially a study of redox systems. " Chimestry deals with varieties of matter and change of one kind of matter into the other. Transformation of matter from one kind into another occurs through the various …

As already mentioned, the purpose of a communication system is to transmit information or message signals. Message signals are also called baseband signals, which essentially designate the band of frequencies representing the original signal, as delivered by the source of information. N…