Electromagnetic Field Theory For an inductor, current is proportional to voltage across the inductor. none of them. magnetic field. both (A) and (B). voltage across the inductor. none of them. magnetic field. both (A) and (B). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic flux density emerging out of a closed surface is zero. depends on magnetic movements outside the closed surface infinite. depends on magnetic movements inside the closed surface. zero. depends on magnetic movements outside the closed surface infinite. depends on magnetic movements inside the closed surface. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The radiation pattern of Hertzian dipole in the plane perpendicular to dipole is a Circle Null Figure of eight None of these Circle Null Figure of eight None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The energy stored in the magnetic field at a solenoid 30 cm long and 3 cm diameter wound with 1000 turns of wire carrying an current at 10 A, is 1.15 J. 0.15 J. 0.015 J. 0.5 J. 1.15 J. 0.15 J. 0.015 J. 0.5 J. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In order to minimize loss due to hysteresis the magnetic material should have high hysteresis coefficient. large coercivity. high resistivity. small B-H loop area. high hysteresis coefficient. large coercivity. high resistivity. small B-H loop area. 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 transformer is an ideal transformer. none of these. it is a perfect transformer. turns ratio of the transformer is also two. transformer is an ideal transformer. none of these. it is a perfect transformer. turns ratio of the transformer is also two. ANSWER DOWNLOAD EXAMIANS APP