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 inductance of the coil corresponding to a magnetizing current of 6 A will be 1.1304 μH. 113.04 μH. 37.68 μH. 3.768 μH. 1.1304 μH. 113.04 μH. 37.68 μH. 3.768 μH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory MUF is highest in periods of greatest sunspot activity. True False True False ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Midway between two equal and similar charges, a third equal and similar charge is placed, then this third charge will not be equilibrium. will move out of the field of influence of two charges. remain in stable equilibrium. be in unstable equilibrium. not be equilibrium. will move out of the field of influence of two charges. remain in stable equilibrium. be in unstable equilibrium. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In frec space E (z,t) = 103 sin(ωt - βz) uy v/m. What is the value of H (z,t) (103/377) cos(ωt - β z)(-ux) A/m. (103/377) sin(ωt - β z)(-uy) A/m. (103/377) sin(ωt - β z)(-ux) A/m. None of above. (103/377) cos(ωt - β z)(-ux) A/m. (103/377) sin(ωt - β z)(-uy) A/m. (103/377) sin(ωt - β z)(-ux) A/m. None of above. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The effective reactance of an inductive coil remains same irrespective of the frequency. decreases because of stray capacitance as the frequency increases. increases because of stray capacitance as the frequency increases. none of these. remains same irrespective of the frequency. decreases because of stray capacitance as the frequency increases. increases because of stray capacitance as the frequency increases. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The power gain of a half-wave dipole with respect to an isotropic radiator is 3 db 4.15 db 6 db 2.15 db 3 db 4.15 db 6 db 2.15 db ANSWER DOWNLOAD EXAMIANS APP