GATE 2021: Toppers Quiz-3 (App update required to attempt this test)

Consider the circuit shown in the figure below:

The current I₀ is measured by using an ideal DC ammeter. If the diode D is ideal, then the value of the current that will be displaced by the ammeter will be _____ mA.

If given above is Fourier transform of signal x(t) and is Hilbert transform of signal x(t) then determine the plot of

N inverters are connected in a ring

Each inverter has a propagation delay of 10ns.

The above circuit works as an

An AM broadcast receiver has an IF of 465 kHz and is tuned to 500 kHz with a ‘Q’ of 30 at that frequency. The image rejection ratio is

The open-loop transfer function unity feedback system is given by

The breakaway point of the root locus plot is given by ____

The Fermi level of a semiconductor is 0.35eV above the valence band edge. The probability of non-occupation of an energy state at a level kT below the top of valence band at 400K is

A 500 m lossless transmission line is terminated by a load that is located at P on the smith chart of given figure . If How many voltage maxima exist on the line ?

if two numbers selected randomly from the set { 1,2,3,4,5,6,7…….96,97,98,99,100 }. What will be the probability their sum will be divisible by 5.

A straight line is fit to a data set (ln x, y). This line intercepts the abscissa at ln x = 0.1 and has a slope of −0.02. What is the value of y at x = 5 from the fit?

Consider P-type silicon in MOS structure. The surface potential that result in maximum space charge width is –0.412 V. Then the semiconductor doping is ____ × 10¹³/cm³

(Assume n_i = 1.5 × 10¹⁰/cm³, T = 300°k)