Electromagnetic Field Theory In case of antenna the ratio of the power radiated in the desired direction to the power radiated in the opposite direction is known as None of these Transmission efficiency Front to back ratio Loss coefficient None of these Transmission efficiency Front to back ratio Loss coefficient 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 zero. double the field produced by one plate. same as that produced by one plate. dependent on coordinates of field points. zero. double the field produced by one plate. same as that produced by one plate. dependent on coordinates of field points. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In order to minimize loss due to hysteresis the magnetic material should have high hysteresis coefficient. small B-H loop area. high resistivity. large coercivity. high hysteresis coefficient. small B-H loop area. high resistivity. large coercivity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An electric field on a place described by its potential V = 20 (r -1 + r-2) where r is the distance from the source. The field is due to A quardra pole. Both of A and B. A dipole. A monopole. A quardra pole. Both of A and B. A dipole. A monopole. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A loop is rotating about x-axis in a magnetic field, B = BO cos(ω + φ) ay. The voltage in the loop is Due to rotating only. Due to transformer only. Due to both rotating and transformer action. Zero. Due to rotating only. Due to transformer only. Due to both rotating and transformer action. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A coil of 300 turns is wound on a non-magnetic core having a mean circumference of 300 mm and a cross sectional area of 300 mm2. The current of 3 A will be 113.04 mH. 37.68 µH. 37.68 mH. 113.04 µH. 113.04 mH. 37.68 µH. 37.68 mH. 113.04 µH. ANSWER DOWNLOAD EXAMIANS APP
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