Electromagnetic Field Theory The critical frequency of ‘F’ layer is greater than 30 MHz. False True False True ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A pure inductor when connected across 220 V, 50 Hz supply consumes 100 W. From the above statement it can be concluded that the above statement is false. the inductor is non linear. the inductor has ferrite core. the inductor is made of thin wire. the above statement is false. the inductor is non linear. the inductor has ferrite core. the inductor is made of thin wire. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which is the major factor for determining whether a medium is free space, lossless dielectric or a good conductor Loss tangent. Constitutive parameters. Reflector coefficient. Attenuation constant. Loss tangent. Constitutive parameters. Reflector coefficient. Attenuation constant. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of surface waves the field strength at a point is directly proportional to Distance of the point from the antenna Antenna height Current of the antenna Wave frequency Distance of the point from the antenna Antenna height Current of the antenna Wave frequency ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following statement is correct for divergence of electric and magnetic flux densities? 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. It is zero for the electric flux density. It is zero for the magnetic flux density. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Conductor is constant and field is varying then emf will be induced. This principle is called virtually induced emf. None of these dynamically induced emf. static induced emf. virtually induced emf. None of these dynamically induced emf. static induced emf. ANSWER DOWNLOAD EXAMIANS APP
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