Electromagnetic Field Theory In microwave communication links, when fading due to rain attenuation occurs then technique adopted for solving the problem would include Amplitude timing and phase correction Antenna replacement and feed correction Path diversity and frequency diversity Polarization shifting and code diversity Amplitude timing and phase correction Antenna replacement and feed correction Path diversity and frequency diversity Polarization shifting and code diversity ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A circular loop has its radius increasing at a rate of 2 m/s. The loop placed perpendicular to a constant magnetic field of 0.5 wb/m2. When the radius of the loop is 4 m. the emf induced in the will be 0.8 π V. 0.4 π V. 8 π V. Zero. 0.8 π V. 0.4 π V. 8 π V. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The power gain of a half-wave dipole with respect to an isotropic radiator is 3 db 4.15 db 2.15 db 6 db 3 db 4.15 db 2.15 db 6 db ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The electric field on a plane is decribed by . The field due to a dipole and a monopole. none of above. a dipole. a monopole. a dipole and a monopole. none of above. a dipole. a monopole. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of magnetic vector potential due to an infinitesimally small current element, evaluated at infinite distance from it? Infinity. Zero. Depends on strength of current element. Unity. Infinity. Zero. Depends on strength of current element. Unity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The main disadvantage of the two-hole directional coupler is Narrow bandwidth Poor directivity High standing wave ratio Low directional coupling Narrow bandwidth Poor directivity High standing wave ratio Low directional coupling ANSWER DOWNLOAD EXAMIANS APP