List of top Questions asked in CUET (PG)

For maximum power transfer in an AC circuit, the load impedance $Z_L$ should be:

Assertion (A): FET is a majority carrier device whereas BJT works based on movement of both majority and minority carriers. Reason (R): Thermal runaway occurs in FET circuits but does not occur in BJT circuits.

The noise at the input of an ideal frequency detector is white, the power spectral density of the noise at the output is:

For an Op-amp, CMRR = $10^5$ and differential gain = $10^6$, what is the common mode gain of the Op-amp?

The signal $x(t) = A\cos(\omega t + \phi)$ is:

In a Quadrature Amplitude Modulation (QAM) scheme, information is encoded in:

According to Nyquist stability criterion, the number of unstable closed-loop poles (Z) is equal to:

Assertion (A): Feedback control systems offer more accurate control over open-loop systems. Reason (R): Feedback establishes a link for input-output comparison and correction.

If a fair coin is tossed 4 times, what is the probability that two heads and two tails will result?

A source generates symbols with probabilities (0.5, 0.25, 0.25) at a rate of 300 symbols per second. The most efficient source encoder would have average bit rate:

Which of the following theorems from calculus relate an integral over a region to an integral over its boundary? A. Stoke’s theorem B. Gauss’s divergence theorem C. Mean value theorem D. Taylor series

The Nyquist sampling theorem states that for a signal with maximum frequency $f_m$, the sampling frequency must be:

Arrange correct sequence of time domain specifications of a second order system in ascending order of values: A. Rise time B. Settling time C. Delay time D. Peak time

Arrange these concepts in the logical flow from fundamental laws to wave propagation: A. Wave equation B. Maxwell's equations C. Boundary conditions D. Poynting vector

Port 80 is used for:

Which of the following are fundamental concepts from Shannon's information theory? A. Entropy B. Matched filter receiver C. Auto correlation D. Channel capacity theorem

A Zener diode is primarily used for:

Assertion (A): With lag-lead compensator, the bandwidth of the system is not affected much. Reason (R): The effect of lag and lead compensation at high frequencies cancel one another.

Order of rectifier circuits in decreasing ripple factor:

Which protocol in the TCP/IP suite is responsible for breaking data into packets and reassembling them at the destination providing reliable, connection-oriented delivery?

A metal sphere with 1 m radius and a surface charge density of $10 \,\text{C/m}^2$ is enclosed in a cube of side 1 m. The total outward electric displacement flux normal to the surface of the cube is:

The pointing vector $\vec{P} = \vec{E} \times \vec{H}$ represents:

DNS is primarily used for:

Signal flow graph is used to find:

Find the inverse of the given matrix: \[ A = \begin{bmatrix} 1 & 0 & 1 \\ -1 & 1 & 1 \\ 0 & 1 & 0 \end{bmatrix} \]