elements of communication process

Elements of a Communication System..

The above figure depicts the elements of a communication system. There are three essential parts of any communication system, the transmitter, transmission channel, and receive..

Elements - "An element is a pure substance which is made up of only one kind of atoms having the same atomic number." "The smallest particle of an element is the atom which, has all the properties of that element." "An element..

An element is defined as a pure substance as it is made up of only one kind of atoms having the same atomic number. The smallest particle of an element is the atom, which has all the properties of that element. It cannot be further reduced to simpler substances by ord..

. For national distribution, the transmission is downward from a wide angle antenna so that the whole national area is "illuminated" by the transmission. For international distribution, the transmission is also towards the other one or two satellites (in line of sight direction) from highly directi..

The manufacture of ammonia by Haber's process involves the direct combination of nitrogen and hydrogen...

Nitrogen is also fixed as calcium cyanamide on heating it with calcium carbide at 1000C in an electric furnace. ..

Separation of the Constituents of Mixtures - Sublimation - Sublimation is a direct change from the solid state to gaseous state, without passing through the liquid state. If a mixture contains two solids, one sublimable, and the other non-sublimable, they can be separated by the process o..

>Take a rectangular strip of chromatography paper (if available, otherwise a better type of filter paper will do). Draw a line with a pencil at about three centimetres height from the base of this paper. Place a drop of black ink on the pencil line. Choose three or four dyes, for e.g., red, blue, g..

Separation of the Constituents of Mixtures - Evaporation - The process by which a soluble solid can be obtained from a solution by allowing the solvent to vaporize, is called evaporation. Many of you might be aware, that for preparing salt, seawater is taken in large pans and water is all..