Electromagnetic Field Theory The power gain of a half-wave dipole with respect to an isotropic radiator is 4.15 db 2.15 db 6 db 3 db 4.15 db 2.15 db 6 db 3 db ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following statement is correct for divergence of electric and magnetic flux densities? It is zero for the electric flux density. Both are zero. These are zero for static densities but non zero for time varying densities. It is zero for the magnetic flux density. It is zero for the electric flux density. Both are zero. These are zero for static densities but non zero for time varying densities. It is zero for the magnetic flux density. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A fan blade of length 2R rotates in a time period T in a magnetic field B. The induced voltage in the blade is proportional to R2BT. 2RBT. RBT. R2B / T. R2BT. 2RBT. RBT. R2B / T. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A plane wave in a homogeneous medium has E = 50 sin(108t + 2z) uy V/m. What is the direction of wave propagation z direction. – z direction. – y direction. y direction. z direction. – z direction. – y direction. y direction. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For DC voltage an inductor is virtually a depends on polarity. depends on magnitude of voltage. open circuit. short circuit. depends on polarity. depends on magnitude of voltage. open circuit. short circuit. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A charge which when placed in vacuum from an equal and similar charge repels with a force of 9 × 103 N, is known as milli - coulomb. coulomb. micro - coulomb. pico - coulomb. milli - coulomb. coulomb. micro - coulomb. pico - coulomb. ANSWER DOWNLOAD EXAMIANS APP