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(H + V × E). q(E + V × B). q(E + B × V). q(E +V × H). q(H + V × E). q(E + V × B). q(E + B × V). q(E +V × H). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The attenuation in waveguide above to cut off frequency Very high Very low Infinite Zero Very high Very low Infinite Zero 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 decrease. initially increase and then decrease. remain the same. increase. decrease. initially increase and then decrease. remain the same. increase. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric flux in coulombs emanating from any surface of a cube containing C coulombs of charge at its centre is 4πQ / 6ε. Q / 6ε. Q / 4π. Q / 6. 4πQ / 6ε. Q / 6ε. Q / 4π. Q / 6. 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? Depends on strength of current element. Infinity. Zero. Unity. Depends on strength of current element. Infinity. Zero. Unity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The divergence of a vector is a scalar, while the curl of a vector is another Vector Unit vector None of these Scalar Vector Unit vector None of these Scalar ANSWER DOWNLOAD EXAMIANS APP
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