Electromagnetic Field Theory If E is the electric field intensity, then what is the value of divergence of (curl of E)? | E |. E. Null vector. Zero. | E |. E. Null vector. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The two windings of a transformer have an inductor of 2 H each. If mutual inductor between them is also 2 H, then transformer is an ideal transformer. none of these. turns ratio of the transformer is also two. it is a perfect transformer. transformer is an ideal transformer. none of these. turns ratio of the transformer is also two. it is a perfect transformer. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A rectangular loop in the x – z plane bounded by the lines x = 0, x = a, z = 0 and z = b is in a time varying magnetic field is given by B = B0 cosωt + ay. Where B0 is constant, ω is angular frequency and ay unit vector in the y direction. Now the emf induced in the loop is given by abω Bo sinω t. Zero. Bo ω sinω t. ab Bo cosω t. abω Bo sinω t. Zero. Bo ω sinω t. ab Bo cosω t. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of antenna the ratio of the power radiated in the desired direction to the power radiated in the opposite direction is known as Front to back ratio Loss coefficient None of these Transmission efficiency Front to back ratio Loss coefficient None of these Transmission efficiency ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of surface waves the field strength at a point is directly proportional to Wave frequency Current of the antenna Antenna height Distance of the point from the antenna Wave frequency Current of the antenna Antenna height Distance of the point from the antenna 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 None of these The impedance of one of the networks is half that of the other The impedance of one is the complex conjugate of the other The impedance of one is equal to that of the other None of these The impedance of one of the networks is half that of the other The impedance of one is the complex conjugate of the other The impedance of one is equal to that of the other ANSWER DOWNLOAD EXAMIANS APP
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