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GATE 2022 Toppers Quiz 9

Attempt now to get your rank among 52 students!

Question 1

The minimal expression of function is

Question 2

The divergence of the vector field at (1,1,1) is

Question 3

An enhancement type NMOS transistor has threshold voltage of 0.8 V, process transconductance parameter and channel length modulation parameter λ= O, VG = 2.8 V, drain Voltage (VD) = 5 V, Source Voltage VS = 1V and drain current ID = 0.24 m. Then the ratio (W/L) is

Question 4

Considered two signals, also Y(n) = X(n) * h(n).

Then the value of ?



Question 5

The Nyquist plot for a stable open loop system is shown below:

For , how many closed loop poles of a unity feedback system are in the right half of s-plane

Question 6

The open loop transfer function of a unity feedback system is

The value of ‘T’ to drive the system on to the verge of instability is

Question 7

Power spectral density of message in given by, Sm(ω) = P rect (ω/2α), α = 8000 π,

The noise has PSD; Sn(ω) = 10–8

If the minimum output SNR at receiver > 30 dB the minimum transmission bandwidth (in Hz) required is

Question 8

The value of  is_______.
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Dec 21ESE & GATE EC