Electromagnetic Field Theory The power gain of a half-wave dipole with respect to an isotropic radiator is 3 db 2.15 db 4.15 db 6 db 3 db 2.15 db 4.15 db 6 db ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A sphere of 20 cm radius contains electrical charge of density 2/(r sinθ) c/m3. What is the total charge contained within the sphere? 0.335/sinθ c. None of above. 0.335 C. 0. 0.335/sinθ c. None of above. 0.335 C. 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The core of coil length is 200 mm. The inductance of coil is 6 mH. If the core length is doubled, all other quantities, remaining the same, the inductance will be 48 mH. 12 mH. 24 mH. 3 mH. 48 mH. 12 mH. 24 mH. 3 mH. 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 monopole. A quardra pole. Both of A and B. A dipole. A monopole. A quardra pole. Both of A and B. A dipole. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In free space E (z, t) = 103 sin(ωt - βz) uy v/m. What is the value of H (z, t) (103/377) sin(ωt - β z)(ux) A/m. None of above. (103/377) sin(ωt - β z)(-ux) A/m. (103/377) cos(ωt - β z)(-ux) A/m. (103/377) sin(ωt - β z)(ux) A/m. None of above. (103/377) sin(ωt - β z)(-ux) A/m. (103/377) cos(ωt - β z)(-ux) A/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In H-plane metal plate lens the travelling wave front is Accelerated Totally retarded Retarded Neither accelerated nor retarded Accelerated Totally retarded Retarded Neither accelerated nor retarded ANSWER DOWNLOAD EXAMIANS APP