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Explain Corrosion.
Corrosion: The process of constant eating (or destruction) up of metals (by the surface) by the surrounding is termed as corrosion. These metals are corroded while exposed to the atmosphere. The metals are usually converted in their oxides. Such oxide covers the surface of the metal that results in the destruction of the metal. Rusting of iron is general illustration of corrosion in that iron makes iron oxide with oxygen of the atmosphere. This iron oxide covers the surface in the form of brownish powder. Thus, the conducting material must be corrosion resistant.
1) only one pair of slip rings are required (to energise the rotating field coil) regardless of the number of phases produced by the alternator (three phases is common because of t
schmitt triggering with emitter coupled transister
1. Introduction : Theory: Frequency is the number of occurrences of a repeating event per unit time. It can also be defined as the number of repetitions (cycles) of a w
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Define Smoothing the Output? The output of a DAC is stepped, such as the analog waveforms which were sampled and held. This stepped, or staircase effect is a distortion, and it
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Q. Compare RC coupled and Transformer coupling?
Q. A transmission line with air dielectric is 25 m long. Find, in wavelengths, how long the line is at frequencies of 1 kHz, 10 MHz, and 100 MHz.
basic configuration of field effect transistors in mplifiers
Bureau of Energy Efficiency Setting up of the Bureau of Energy Efficiency The Bureau of Energy Efficiency has been established with effect from 1st March, 2002 under the
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