ESE Prelims 2022 Achievers Quiz 23

Consider the sinusoidal transfer function in time-constant form

Asymptotic log magnitude characteristic of factor (1 + jω) is straight line of

1) 0 dB for ω ≤ 1

2) +20 dB/decade for ω ≥ 1

3) –20 dB/decade for ω ≥ 1

Which of the above relations is/are correct?

The y-parameters of a four-terminal block are  A single element of 2Ω is connected across is shown in the given figure. The new y-parameters will be

A bipolar signal S_i(t) is +1V or -1V pulse during the internal (0,T). AWGN with PSD N/2 = 10^-5 W/Hz is added to the signal. Determine the maximum bit rate that can be sent with a bit error probability of

[Given erfc (3.71) = 10^-4]

The figure shows a sinusoidal waveform observed on a CRO screen. The knobs on the CRO panel were on 100 ms/cm and 25V/cm positions. The frequency and RMS value of the waveform respectively are

A semiconductor having electron mobility, hole mobility, intrinsic carrier concentration as is kept at 300 ° K. The maximum value of resistivity is _________ Ω-m.

The maximum number of bit ripple counter that can be designed for a clock period with each flip flop delay is and the strobe time is is?

TCP is preferred over UDP because it provides

1) Fastest communication

2) Connection oriented service

3) Reliable service

Which of the statement is correct?

In free space, if the potential field V(x_, y, z) = x²y(z + 3)V, then the charge within the cube 0 ≤ x, y, z ≤ 1 is?

Consider a signal x(t) = 2 cos(150πt +  which is sampled at a rate of 200 Hz. What will be the period of resulting discrete signal?