GATE 2023 EMT Champion Quiz 8

The electric and magnetic fields are in ideal dielectric medium are represented in phasor form as :

Determine state of polarization of wave.

In free space E = 50 cos ωt a_x V/m. Find average poynting vector if η_o = 120πΩ.

The E – field of a UPW propagating in a dielectric medium is given by

The dielectric constant of the medium is

Poynting vector for a uniform plane wave having an electric field, in free space is

Which of the following Maxwell's equations of time varying fields is/are correct?

A magnetic medium has intrinsic impedance of 140 ∠ 36^o Ω. The loss tangent is _________

An insulating dielectric slab with 500 mm 500 mm cross section is 0.4 m long. A uniform electric field of 10 kV/mm is applied on the slab. The energy stored in the dielectric is…….J

(Relative permittivity of the material is 1.2)

In a rectangular waveguide for which a= 1.5cm, b=0.8cm, and ,

The cut-off frequency and phase constant, respectively are,