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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.
Q. What do you mean by Companding? Companding is the process of compressing and expanding. It comprises compressing the signal at the transmitter and expanding it at the receiv
Explain briefly the operation, draw the functions, formulas and observations. (i) Write an m-file "imnorm.m" which takes an image finds min and max values and uses them to nor
Explain properties and application of Copper. Properties 1) Cooper is reddish brown in color. 2) Cooper is malleable and ductile and can be forged, cast, rolled, mach
Q. Determine L and C of the band pass filter circuit of Figure to have a center frequency of 1 MHz and a bandwidth of 10 kHz. Also find the Q of the filter.
Determine the self inductance of the two coils: Two coils with a coefficient of coupling of 0.6 between them are connected in series so as to magnetize (i) in the same directi
commutator in d.c machine acts as... what????
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Q. Current-carrying conductors? Current-carrying conductors, when placed in magnetic fields, experience mechanical force. Considering only the effect of the magnetic field, the
Determine the i-v characteristic of the network shown in Figure by the use of breakpoint analysis.
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