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Q. Working of Field-effect transistors?
Field-effect transistors (FETs) may be classified as JFETs (junction field-effect transistors), depletion MOSFETs (metal-oxide-semiconductor field-effect transistors), and enhancement MOSFETs. Each of these classifications features a semiconductor channel of either n-type or p-type, whose conduction is controlled by a field effect. Consequently, all FETs behave in a similar fashion. The FET classification is illustrated in Figure along with the corresponding circuit symbols. FETs have the useful property that very little current flows through their input (gate) terminals.
power factor improvement
Determine the active - reactive and apparent power: In the given circuit, determine the active, reactive and apparent power. Figure Solution The inductive
Q. For the circuits shown in Figure, sketch the frequency response (magnitude and phase) of ¯V out / ¯V in .
There are two practical ways of improving commutation i.e. of making current reversal in the short - circuited coil as sparkless as possible. These methods are known as (i) resista
Q. Give the classification of Oscillators? Depending on the type of the output waveform, oscillators are classified as sinusoidal (or harmonic) oscillators and relaxation osci
You have to look up the data sheets for the LM317 (Not LT317), LT1006. V1 is a standard 9 volt battery, and the resistors are “through hole”. Label the test points in, V+, gnd, and
Describe 74LS139 memory decoder. The 74LS139 is a dual 2-to-4 line decoder. This contains two separate 2-to-4 line decoders - all with its address, output and enable connection
Q. Compare MOSFET with JFET? a. In enhancement and depletion types of MOSFET,the transverse electric field induced across an insulating layer deposited on the semiconductor ma
advantages over other theorams
For the 3 bus system shown below all values are given in pu on a 100MVA base (a) Use Matlab functions lfgauss and lfnewton to find power flow solution for the system, accurate
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