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Explain ferrites and its uses in high frequency devices.
A group of magnetic alloys show the property of magnetisation that change, with percentage of various constituent atoms in the alloy. Illustration XOFe2O3 with X= Mn, Copper, Nickel, Zink, Mg, Cd or Fe++. The alloys are termed as ferrites. Manganese ferrite is a mixture of iron oxide and manganese oxide. Ferrites are extensively used in computers and in microwave equipment. Ferrites are advantageous at high frequencies due to low eddy current losses. The ferrites crystallise in what is termed as the spinel lattice. The resistivity of ferrites is higher than the ferromagnetic metals. Ferrites are brittle and hard materials that cannot be shaped trough ordinary machining processes. Ferrites are also used in recording tapes, transducer applications and compact aerials for focussing magnets of TV picture tubes and for radio sets.
By means of nodal analysis, find the current delivered by the 10-V source and the voltage across the 10- resistance in the circuit shown in figure.
Representation of Negative Number: As mentioned in chapter 1 in 8085 negative numbers are represented in 2 complement form and subtraction is performed using 2 comple
Find the maximum frequency of an output sine wave which can be produced at an amplitude of 1.5 V if the op-amp slew rate is 0.5 V/µs.
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Analysis of diode circuits
Questions: a) Give a brief description of the program counter and the data pointer, including their differences. b) Briefly describe what are Byte-Level logical operations
circuit used in window air conditioning
Effective Mass The electrons' "wave-particle" motion in a lattice is not the same as that for a free electron, because of the interaction with the periodic potential of the
plz give ans about signs of capicitor, and give detail about clampers.
Q. What is an amplifier? What are the various types of amplifiers? AMPLIFIER: A circuit that increases the amplitude of the given input signal is an amplifier. A small a.c. sig
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