Electromagnetic Field Theory Parabolic and lens antenna used at Microwave frequency Medium frequency High frequency Low frequency Microwave frequency Medium frequency High frequency Low frequency 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. Maximum rate of increase of scalar function at a point. Gradient of divergence of a vector field minus the curl of the vector field. Circulation of a vector field per unit area as the area tends to zero. Outward flux of a vector field per unit volume as the volume about the point 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. Circulation of a vector field per unit area as the area tends to zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Materials subjected to rapid reversals of magnetism should have both a and b. low hysteresis loss. low permeability. high permeability. both a and b. low hysteresis loss. low permeability. high permeability. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A dipole having a moment p – 3ux - 5uy + 10uz ncm is located at p(1,2,-4) in free space. The V as Q(2,3,4) is 1.26 V. 1.31 V. 2.52 V. 2.62 V. 1.26 V. 1.31 V. 2.52 V. 2.62 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A square corner reflector is used in which of the following? TV broadcast Radio astronomy All of these Point-to-point communication TV broadcast Radio astronomy All of these Point-to-point communication ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The transmitting antennas for lower frequencies (below 500 kHz) are generally Horizontal suspended wire type Any of the above Vertical grounded wire type Parabolic reflector type Horizontal suspended wire type Any of the above Vertical grounded wire type Parabolic reflector type ANSWER DOWNLOAD EXAMIANS APP
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