GATE 2021: Toppers Quiz-10 (App update required to attempt this test)

The output voltage (V₀) of ideal transformer with the polarities and dots shows in fig is given by

A non band limited signal x(t) with power spectral density ; f in Hz is passed through an ideal low pass filter with cut off frequency f_x Hz. The value of f_x to pass atleast 90% of signal power at its output will be ______ × 10³ Hz.

Electric field equation of a wave is given by

V/m then the polarization of the wave is:

For unity negative feedback system having CLTF(closed loop transfer function) given by T(s) = ( s² + 9s + 16 )/( s⁴ + s³ – s – 1 ). Number of closed loop poles lying on the jw axis is.

Which of the following memory circuit has shortest access time?

An intrinsic sample is doped with donors from one side such that. Then the built in electric field at equilibrium over the range for which N_d >> n_i when a= m is given as______(mV).

For . The value of is _______V(neglect leakage current)

Consider the digital filter

Given k=2 if input is Then find y(n)

A discrete source transmits message with probabilities 0.4, 0.3, 0.3 respectively. The source is connected to the given channel. Calculate

Consider the following block diagram representation of a system

The value of sensitivity of overall transfer function for variation in α of system for

S = -2 and α = 1 will be : ………….. .

Total number of NAND gates required to implement functions and will be ________. (You can use some common NAND gates so as to get minimum NAND gates).

The coefficient of x² in series expansion of e^x cosx is_____

Consider the circuit shown in figure,  = 0.2 mA/V²,  = 0.8 V, the DC operating point(, ) is

Consider the signal shown in the figure below

If this signal is applied to an LTI system whose impulse response is h(t) = u(t) – u(t – 1) then value of y(t) at t = 1.5 sec is ______

In a circuit below possible value of R (in ohm) for which system is under damped_________