List of top Electronics and Communication Engineering Questions on Electromagnetic Theory and Electronics asked in TS PGECET

The Gauss's law for magnetic fields is
The characteristic impedance of the medium is
The depth of penetration decreases, if
Snell's law states that (\(n_1\) is the index of refraction of the first medium and \(n_2\) is that of second, \(\theta_t\) is the angle of refraction and \(\theta_i\) is angle of incidence)
Which of the following represents the correct relationship between the speed of light \( c \), frequency \( \nu \), and wavelength \( \lambda \)?
In lossless medium for which \( \eta = 60\pi \), \( \mu_r = 1 \) and \( H = -0.1\cos(\omega t - z) \hat{a}_x + 0.5\sin(\omega t - z) \hat{a}_y \text{ A/m} \), calculate \(\omega\).
If in a rectangular waveguide for which \(a=2b\), the cutoff frequency for TE\(_{01}\) mode is 12 GHz, the cutoff frequency for TM\(_{11}\) is
Which one of the following is not true of a lossless line?
Which of the following function does not satisfy the wave equation?
The Maxwell's equation \( \oint \vec{E} \cdot d\vec{l} \) is equal to
A loop is rotating about the y-axis in a magnetic field \( B = B_0 \sin \omega t \ \hat{a}_z \text{ Wb/m}^2 \). The voltage induced in the loop is due to (Note: \(\hat{a}_z\) means the B field is in the z-direction. The loop rotates about y-axis.)
A wave travelling in conducting medium, if its amplitude decreases by a factor of _____ it is called penetration depth of the medium.