Electromagnetic Field Theory A square corner reflector is used in which of the following? Radio astronomy Point-to-point communication All of these TV broadcast Radio astronomy Point-to-point communication All of these TV broadcast ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In above problem the induced emf will be reduced to half if the conductor moves an angle of 45° to the direction of field. 60° to the direction of field. 30° to the direction of field. 75° to the direction of field. 45° to the direction of field. 60° to the direction of field. 30° to the direction of field. 75° to the direction of field. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The two windings of a transformer have an inductor of 2 H each. If mutual inductor between them is also 2 H, then it is a perfect transformer. none of these. turns ratio of the transformer is also two. transformer is an ideal transformer. it is a perfect transformer. none of these. turns ratio of the transformer is also two. transformer is an ideal transformer. 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 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. the above statement is false. the inductor is non linear. 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. Unity. Zero. Depends on strength of current element. Infinity. Unity. Zero. Depends on strength of current element. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic current is composed of which of the following? Only conduction current. None of these Only displacement current. Both conduction and displacement current. Only conduction current. None of these Only displacement current. Both conduction and displacement current. ANSWER DOWNLOAD EXAMIANS APP
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