List of top Electronics and Communication Engineering Questions on Antennas and Wave Propagation asked in TS PGECET

For a lossy transmission line, the characteristic impedance does not depend on

A rectangular waveguide with dimensions \(a=2.5\) cm, \(b=1\) cm is operating below 15 GHz. If the guide is filled with a medium characterized by \(\sigma=0\), \(\epsilon=4\epsilon_0\), \(\mu_r=1\), calculate the cutoff frequency of dominant mode?

Find the maximum gain of a \(\frac{\lambda}{2}\) wire dipole operating at 30 MHz?

The S-parameters are used at microwave frequencies because of the following reasons, except

The fraction of time that the transmitter is transmitting during one radar cycle is called

Identify the polarisation of the wave given, \(E_x=2\cos\omega t\), \(E_y=2\sin\omega t\) and the phase difference is \(+90^\circ\)