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 The force on a charge moving with velocity v under the influence of electric and magnetic fields is given by which one of the following q(E + B × V). q(E + V × B). q(E +V × H). q(H + V × E). q(E + B × V). q(E + V × B). q(E +V × H). q(H + V × E). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The work done by a force F = 4un - 3uy + 2uz N in giving a 1nC charge a displacement of (10 ux + 2uy - 7uz) m is 40 nj. 100 nj. 20 nj. 60 nj. 40 nj. 100 nj. 20 nj. 60 nj. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The Kirchhoff’s current law is implict in expression Divergence of D = ρv. Curl of H = J + (δ D)/(δ t). Surface integral of (j.ds) = 0. Divergence of B = 0. Divergence of D = ρv. Curl of H = J + (δ D)/(δ t). Surface integral of (j.ds) = 0. Divergence of B = 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Tropospheric scatter is used with frequencies in the HF VHF UHF VLF HF VHF UHF VLF ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of this statement is not characteristic of a static magnetic field magnetic flux lines are always closed. it has no sink or sources. it is solenoidal. it is conservative. magnetic flux lines are always closed. it has no sink or sources. it is solenoidal. it is conservative. ANSWER DOWNLOAD EXAMIANS APP