Electromagnetic Field Theory Tropospheric scatter is used with frequencies in the VHF UHF HF VLF VHF UHF HF VLF ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory As a result of reflection from a plane conducting wall, electromagnetic waves acquire an apparent velocity greater than the velocity of light in space. This is called the normal velocity. velocity of propagation. group velocity. phase velocity. normal velocity. velocity of propagation. group velocity. phase velocity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An electric dipole of moment P is placed in front of a ground sphere. The change induced on the surface of the sphere is (Assume radius of sphere = R and distance from dipole to centre of sphere = d) PR/d2. Zero. PR/d. PR 2/d3. PR/d2. Zero. PR/d. PR 2/d3. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Midway between two equal and similar charges, a third equal and similar charge is placed, then this third charge will not be equilibrium. remain in stable equilibrium. will move out of the field of influence of two charges. be in unstable equilibrium. not be equilibrium. remain in stable equilibrium. will move out of the field of influence of two charges. be in unstable equilibrium. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The radiation pattern of a parabola antenna is None of these Omnidirectional Highly directional A figure of directional None of these Omnidirectional Highly directional A figure of directional 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 - 2 C/m3. - 8 C/m3. 0 C/m3. - 4 C/m3. - 2 C/m3. - 8 C/m3. 0 C/m3. - 4 C/m3. ANSWER DOWNLOAD EXAMIANS APP
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