List of top Electronics and Communication Engineering Questions

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

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:

A Zener diode is primarily used for:

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

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

Order of rectifier circuits in decreasing ripple factor:

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.

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:

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?

DNS is primarily used for:

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

Signal flow graph is used to find:

The differential equation $\dfrac{d^2y}{dx^2} + \dfrac{dy}{dx} + \sin y = 0$ is:

Which layer in IoT architecture is responsible for data acquisition using sensors?

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

Which of the following is a sequential logic circuit?