Electromagnetic Field Theory Whenever the magnetic flux changes with respect to an electric conductor or a coil, an EMF is induced in the conductor is Faraday’s fourth law first law third law second law fourth law first law third law second law ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The heating time constant of an electrical machine gives an indication of its overload capacity. cooling. rating. short time rating. overload capacity. cooling. rating. short time rating. 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 useful magnetic flux obtainable from any closed surface is None of these Unity Both A and B Constant None of these Unity Both A and B Constant ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two infinite parallel metal plates are charged with equal surface charge density of the same polarity. The electric field in the gap between the plates is double the field produced by one plate. same as that produced by one plate. zero. dependent on coordinates of field points. double the field produced by one plate. same as that produced by one plate. zero. dependent on coordinates of field points. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Tropospheric scatter propagation is not subject to any fading. True False True False ANSWER DOWNLOAD EXAMIANS APP