Electromagnetic Field Theory A magnetic vector potential is given by the expression A = (- cos x) (cos y) uz. The flux density at the origin is – uy. 2 ux. 0. – 2 ux. – uy. 2 ux. 0. – 2 ux. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory MUF is highest in periods of greatest sunspot activity. False True False True 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 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 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 ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two point charges (Q and – Q) are situated at the vertex of the square. If potential at another vertex is 2 V, so potential at opposite vertex (diagonally) is √ 2 V. Zero. 2 V. 1 V. √ 2 V. Zero. 2 V. 1 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Whenever the magnetic flux changes with respect to an electric conductor or a coil, an EMF is induced in the conductor is Faraday’s fourth law first law third law second law fourth law first law third law second law ANSWER DOWNLOAD EXAMIANS APP