We know that conduction current density, J = NVe = σE
Where, N= number of electron
V= electron velocity
σ...
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What is data, information and signal ( any confusion about their difference ! )
[What is Data?]
Data are simply values or sets of values of qualitative or
quantitative variables, belonging to a set of items. It may be in the form of
numbers, letters, or a set of characters....
Different types of noises & signals in communication sustem
What
is Noise?
The noise is the unwanted signals that tend to disturb
the operation of a system and over which we have incomplete control.
Two broadly
used categories of noise...
Electrical conductivity of the materials according to classical electron theory
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According to classical theory (described by drude )
generally...
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