Electromagnetics

Which option(s) represents/ represent the dielectric loss tangent of a substrate?

The cutoff frequency (in GHz) for the dominant TE10 mode of an air-filled rectangular waveguide of inner dimension 0.28 inch × 0.14 inch is ____. (rounded off to two decimal places...

A square metal sheet of 4 m × 4 m is placed on the x-y plane as shown in the figure below. If the surface charge density (in µC/m²) on the sheet is ρs(x, y) = 4|y|, then the total...

Let $\hat{i}$ and $\hat{j}$ be the unit vectors along x and y axes, respectively and let A be a positive constant. Which one of the following statements is true for the vector fiel...

Consider a narrow band signal, propagating in a lossless dielectric medium ($\epsilon_r = 4, \mu_r = 1$), with phase velocity $v_p$ and group velocity $v_g$. Which of the following...

Faraday's law of electromagnetic induction is mathematically described by which one of the following equations?

Indicate which one of the following modes do NOT exist in a rectangular resonant cavity.

Identify which one of the following will NOT satisfy the wave equation.

The Maxwell's equation $$\nabla\times\overrightarrow H\;=\;\overrightarrow J\;+\;\frac{\partial\overrightarrow D}{\partial t}$$ is based on