List of top Questions asked in CUET (PG)- 2026

Assertion (A): Gallium arsenide is a direct band semiconductor having faster switching capabilities and high temperature operating capabilities. Reason (R): A substance for which the forbidden energy region is relatively small is called a semiconductor.

Which of the following theorems are used to simplify a linear circuit into an equivalent form with a single source and impedance? A. Thevenin's theorem B. Norton's theorem C. Superposition theorem D. Reciprocity theorem

Carson’s rule for estimating the bandwidth (B) of an FM signal is:

Assertion (A): 8-bit PCM system performs better than 4-bit PCM system. Reason (R): 8-bit system produces smaller quantization noise than 4-bit system.

The steady-state error of a Type 1 system for a unit step input is:

Which of the following are listed as types of compensators for system design? A. Lead compensators B. Stepper motors C. Lag compensators D. Servo valves

Assertion (A): A network in which circuit elements like resistance, inductance and capacitance cannot be physically separated or analysis purpose is called lumped network. Reason (R): Most of the electric network are lumped in nature.

Assertion (A): The ability of a differential amplifier to reject a differential mode signal is called its figure of merit. Reason (R): The ideal value of figure of merit of a differential amplifier is infinite.

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

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:

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.

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

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.