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Q. Draw the common source drain and transfer characteristics of a JFET. How are they useful?
The graph below shows variation of the drain current Id as a function of the drain voltage (Vds) for various values of the gate voltage (Vgs) in an n-channel JFET. The current decreases and the pinch-off occurs at lower drain voltages as the gate is made more negative. At any drain voltage, The drain current reduces to zero if the magnitude of gate voltage becomes equal to the magnitude of pinch-off voltage (Vp) . We have a general relation:
Vds = Vgs + Vp
The sharp increase in the drain current at higher drain voltages is due to the breakdown.
Q. Dynamic Response of Control Systems? The existence of transients (and associated oscillations) is a characteristic of systems that possess energy-storage elements and that a
(a) Now consider a typical open-wire transmission line with parameters of R = 14 /mi, L = 4.6 mH/mi, C = 0.01 µF/mi, and G = 0.3×10 -6 S/mi. If the line operates at 1 kHz, find t
Q. A low-pass filter circuit is shown in Figure. Using a PSpice program and PROBE, obtain the Bode magnitude plot for the transfer function ¯H(f) = ¯V out / ¯V in for the frequ
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Explain Register Direct and Indirect data addressing mode (with examples) available in microprocessors. Register Direct Modes and Register Indirect Modes: Does not giv
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For the circuit in figure, find: a) Total resistance b) Total current c) Current flow through resistor 6Ω and 4Ω
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
For a 45-kVA, three-phase, wye-connected, 220- V synchronous machine at rated armature current, the short-circuit load loss (total for three phases) is 1.80 kWat a temperature of 2
Q. Define coil pitch, Back pitch, front pitch, pole pitch, commutator pitch, resultant pitch, Multiplex winding and degree of Re-entrant of a winding, with respect to a D.C. mach
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