Electromagnetic Field Theory The radiation pattern of a parabola antenna is Omnidirectional A figure of directional Highly directional None of these Omnidirectional A figure of directional Highly directional None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A long straight wire carries a current I = 10A. At what distance is the magnetic field H = 1A/m? 1.39 m. 1.59 m. 1.29 m. 1.19 m. 1.39 m. 1.59 m. 1.29 m. 1.19 m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Find the strength of the magnetic field when a 2m long conductor is moving with a velocity 4m/s inducing an emf of 20V. 2.5T. 0.5T. 10T. 5T. 2.5T. 0.5T. 10T. 5T. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Gradient of scalar field is expressed as Maximum rate of increase of scalar function at a point. 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. Gradient of divergence of a vector field minus the curl of the vector field. Maximum rate of increase of scalar function at a point. 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. Gradient of divergence of a vector field minus the curl of the vector field. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory According to maximum power transfer theorem, the maximum power is absorbed by one network from another network when The impedance of one is equal to that of the other The impedance of one of the networks is half that of the other The impedance of one is the complex conjugate of the other None of these The impedance of one is equal to that of the other The impedance of one of the networks is half that of the other The impedance of one is the complex conjugate of the other None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of surface waves the field strength at a point is directly proportional to Antenna height Wave frequency Current of the antenna Distance of the point from the antenna Antenna height Wave frequency Current of the antenna Distance of the point from the antenna ANSWER DOWNLOAD EXAMIANS APP