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fermi level
Fermi level" is the term used to describe the top of the collection of electron energy levels at absolute zero temperature. This concept comes from Fermi-Dirac statistics.
The Fermi level is referred to as the electron chemical potential in other contexts.
a simple question
An instrumentation amplifier is a type of differential amplifier that has been specifically designed to have characteristics suitable for use in measurement and test equipment.
DC is more dangerous than AC because AC change its direction many time in a sec. while DC does not.
In AC man got slight shock but secure while in DC man die at once when touch it.
norton's theorem
Norton's theorem:-
Norton's theorem for electrical networks states that any collection of voltage sources and resistors with two terminals is electrically equivalent to an ideal current source, I, in parallel with a single resistor, R. For single-frequency AC systems the...
summer amplifer:-
If we take three equal resistors and connect one end of each to a common point, then apply three input voltages (one to each of the resistors' free ends), the voltage seen at the common point will be the mathematical average of the three.
Instrumentation amplifier:-
The...
new opamp
hi,
i m giving u a link about op amp,in which their is a lot of discribtion about op amp and some circuits are also available over there.
**broken link removed**
norton theorem black box,
A method for simplifing a two terminal linear circuit to an equivalent circuit with ony a current source in parallel with a resistance.
poly phase
the advantage of polyphase systems are:
1) less copper cross section to conduct current
2) constant power to load
3) constant rotating magneic field
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