List of top Questions asked in Telangana State Post Graduate Engineering Common Entrance Test

Match the following
i–ivConnection Typea–dFeedback Description
iVoltage shunt aCurrent sampling, voltage mixing
iiVoltage seriesbCurrent sampling, current mixing
iiiCurrent shuntcVoltage sampling, current mixing
ivCurrent seriesdVoltage sampling, voltage mixing
Half wave and Full wave rectifiers produce nearly identical ____ for equal values of transformer secondary voltage.
Which of the following is not correct with respect to Darlington amplifier?
The maximum dc output power in a Half wave rectifier occurs when the load resistance is \___ the diode forward resistance.
In a photodiode, light produces
An 'n' channel JFET has \(I_{DSS}=8\text{mA}\), \(V_P=-5\text{V}\). Determine the minimum value of \(V_{DS}\) for \(V_{GS}=-2\text{V}\) in the pinch off region.
The SiO\(_2\) is grown by exposing the epitaxial layer to an oxygen atmosphere while being heated to about 1000\(^\circ\)C, because Silicon dioxide has the fundamental property of
The rise time of a BJT is 3.5 micro seconds. Find its transition frequency.
A shunt regulator is a type of
LEDs are based on the principle of
The disadvantage of the integrated circuit technology as compared with discrete components interconnected is
Which of the following is not correct, when the collector base junction is reverse biased?
The LTI system is said to be initially relaxed system when
Phase variation with respect to frequency is given by \( \phi(\omega) = 2\omega^2 + \cos\omega \). Then, group delay of the system is
The electrical conductivity of pure semiconductor can be increased by
Choose the wrong one with respect to nMOSFET compared to pMOSFET
The electric current produced when the charge carrier concentration moves from region of higher concentration to the region of lower concentration is called
For a system to be physically realizable, the degree of numerator polynomial M and the degree of denominator polynomial N should be
Match the following with respect to region of convergence
\( x(n) \) ROC
AInfinite duration causal sequenceIEntire z-plane except at \( z = 0 \)
BFinite duration causal sequenceIIEntire z-plane except at \( z = \infty \)
CInfinite duration anticausal sequenceIII\( |z| > \alpha \), exterior of a circle of radius \( \alpha \)
DFinite duration anticausal sequenceIV\( |z| < \beta \), interior of a circle of radius \( \beta \)
Unilateral Z transform of x(n) is equivalent to bilateral Z-transform of
The frequency response of LTI system is given by the Fourier Transform of the \_____ of the system.
The condition for orthogonality of two functions \( x_1(t) \) and \( x_2(t) \) in terms of correlation is
The continuous time system structure which uses minimum number of integrators is
Which of the following is not correct with respect to Z-transforms?
The exponential Fourier series coefficient \( C_{-n} \) in terms of trigonometric Fourier coefficients is