Electromagnetic Field Theory The power gain of a half-wave dipole with respect to an isotropic radiator is 4.15 db 6 db 3 db 2.15 db 4.15 db 6 db 3 db 2.15 db 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. Field energy is greater than the co-energy. Co-energy is zero. Field energy is lesser than the co-energy. Field energy is equal to the co-energy. Field energy is greater than the co-energy. Co-energy is zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If n is the polarization vector and k is the direction of propagation plane electromagnetic wave, then n. k = 0. n = K. n × k = 0. n = - k. n. k = 0. n = K. n × k = 0. n = - k. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric field inside a hollow metallic charged sphere is zero. increasing towards centre. decreasing towards centre. none of above. zero. increasing towards centre. decreasing towards centre. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two coils have inductances L1 = 1200 mH and L2 = 800 mH. They are connected in such a way that flux in the two coils aid each other and inductance is measured to be 2500 mH, then Mutual inductance between the coils is ___________ mH. 145. 150. 250. 225. 145. 150. 250. 225. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The useful magnetic flux obtainable from any closed surface is None of these Constant Both A and B Unity None of these Constant Both A and B Unity ANSWER DOWNLOAD EXAMIANS APP
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