Electromagnetic Field Theory In a perfect conductor the incident and reflected wave combine to produce A stronger reflected wave A standing wave which is not progressing None of these A stronger incident wave A stronger reflected wave A standing wave which is not progressing None of these A stronger incident wave ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The power gain of a half-wave dipole with respect to an isotropic radiator is 2.15 db 3 db 4.15 db 6 db 2.15 db 3 db 4.15 db 6 db ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A square corner reflector is used in which of the following? TV broadcast Point-to-point communication Radio astronomy All of these TV broadcast Point-to-point communication Radio astronomy All of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Gradient of scalar field is expressed as Outward flux of a vector field per unit volume as the volume about the point tends to zero. Circulation of a vector field per unit area as the area tends to zero. Maximum rate of increase of scalar function at a point. Gradient of divergence of a vector field minus the curl of the vector field. Outward flux of a vector field per unit volume as the volume about the point tends to zero. Circulation of a vector field per unit area as the area tends to zero. Maximum rate of increase of scalar function at a point. Gradient of divergence of a vector field minus the curl of the vector field. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An insulated metal sphere of 20 cm diameter is charged by rubbing with charges 2 × 10-8 C. Potential developed will be 200 V. 1800 V. 900 V. 0 V. 200 V. 1800 V. 900 V. 0 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The radiation pattern of Hertzian dipole in the plane perpendicular to dipole is a Null None of these Figure of eight Circle Null None of these Figure of eight Circle ANSWER DOWNLOAD EXAMIANS APP
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