Electromagnetic Field Theory
In microwave communication links, when fading due to rain attenuation occurs then technique adopted for solving the problem would include

Antenna replacement and feed correction
Amplitude timing and phase correction
Polarization shifting and code diversity
Path diversity and frequency diversity

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
Which of the following statement is correct for divergence of electric and magnetic flux densities?

 It is zero for the electric flux density.
 Both are zero.
 It is zero for the magnetic flux density.
 These are zero for static densities but non zero for time varying densities.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
If an electric current carrying coil is placed in a uniform magnetic field in the direction of magnetic induction, then

 the net force is zero but torque is finite.
 the net force and torque on the coil are both zero.
 the net force is finite but torque is zero.
 the net force and torque are both finite.

ANSWER DOWNLOAD EXAMIANS APP