Electromagnetic Field Theory The minimum height of outer atmosphere is 200 km 100 km 150 km 400 km 200 km 100 km 150 km 400 km 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. Unity. Zero. Depends on strength of current element. Infinity. Unity. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory ________ at a point is defined as the force experienced per unit positive charge at a point placed in the electric field. None of these Electric intensity. Electric flux. Magnetic flux density. None of these Electric intensity. Electric flux. Magnetic flux density. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For a linear electromagnetic circuit, which of the following statement is true? Field energy is lesser than the co-energy. Field energy is equal to the co-energy. Co-energy is zero. Field energy is greater than the co-energy. Field energy is lesser than the co-energy. Field energy is equal to the co-energy. Co-energy is zero. Field energy is greater than the co-energy. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The main disadvantage of the two-hole directional coupler is Low directional coupling Poor directivity Narrow bandwidth High standing wave ratio Low directional coupling Poor directivity Narrow bandwidth High standing wave ratio ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two spheres of radius r1 and r2 are connected by a conducting wire. Each of the spheres has been given a charge Q. Now smaller sphere will have zero potential. larger sphere will have smalled potential. larger sphere will have greater potential. both of sphere will have same potential. smaller sphere will have zero potential. larger sphere will have smalled potential. larger sphere will have greater potential. both of sphere will have same potential. ANSWER DOWNLOAD EXAMIANS APP
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