Electromagnetic Field Theory Tropospheric scatter is used with frequencies in the UHF HF VLF VHF UHF HF VLF VHF ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The electric flux is given D = (2y2 + z) Ix + 4xy Iy + x Iz C/m2. The volume charge density at point (-1, 0, 3) is - 4 C/m3. - 2 C/m3. - 8 C/m3. 0 C/m3. - 4 C/m3. - 2 C/m3. - 8 C/m3. 0 C/m3. 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. It is zero for the magnetic flux density. These are zero for static densities but non zero for time varying densities. Both are zero. It is zero for the electric flux density. It is zero for the magnetic flux density. These are zero for static densities but non zero for time varying densities. Both are zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For an inductor, current is proportional to none of them. voltage across the inductor. both (A) and (B). magnetic field. none of them. voltage across the inductor. both (A) and (B). magnetic field. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In an iron core coil the iron core is removed so that the coil becomes an air core coil. The inductance of the coil will remain the same. decrease. initially increase and then decrease. increase. remain the same. decrease. initially increase and then decrease. increase. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The main disadvantage of the two-hole directional coupler is High standing wave ratio Narrow bandwidth Poor directivity Low directional coupling High standing wave ratio Narrow bandwidth Poor directivity Low directional coupling ANSWER DOWNLOAD EXAMIANS APP