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Explain Ferrimagnetic magnetic materials.
Ferrimagnetic Materials: In such materials unequal magnetic dipoles are lined up anti-parallel to each other. And permeabilities are of the order of ferromagnetic materials under ordinary states the magnetic characteristics of ferromagnetic materials are likewise to those of ferromagnetic materials, like they demonstrate spontaneous magnetization below a temperature, illustration: magnetite and nickel ferrite. The susceptibility of these is specified by χ = C / T ± θ, here C is curie constant and T is temperature.
Q. Find the output voltage in terms of the input voltage? In order to illustrate the insensitivity of feedback circuits to variations of the op-amp parameters, let us consider
A four-pole, three-phase, wound-rotor induction machine is to be used as a variable-frequency supply. The frequency of the supply connected to the stator is 60 Hz. (a) Let the r
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Explain electrical contact materials. Electrical contact materials: some elements, in their relatively pure forms as copper, nickel, molybdenum, palladium, silver, tungsten and
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A 20kw 220v shunt generator has armature resistance of 0.07 and a shunt field resisitance 900 ohm find field loss?
different coupling methods
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