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 2 ux. 0. – uy. – 2 ux. 2 ux. 0. – uy. – 2 ux. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The force experienced by a current carrying conductor lying parallel to a magnetic field is BIL. zero. Bil sinθ. Bil cosθ. BIL. zero. Bil sinθ. Bil cosθ. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of total electric flux coming out of a closed surface? Equal to volume change density. Zero. Equal to the surface charge density. Equal to total charge enclosed by the surface. Equal to volume change density. Zero. Equal to the surface charge density. Equal to total charge enclosed by the surface. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following statement regarding waveguides is incorrect? Waveguides can handle large power at UHF and microwaves Waveguides are usually air filled hollow conducting metallic tubes for transmitting UHF and microwaves At waveguide can be coupled to a coaxial cable At frequencies below the cut off value the wave progresses across the waveguide after total reflections Waveguides can handle large power at UHF and microwaves Waveguides are usually air filled hollow conducting metallic tubes for transmitting UHF and microwaves At waveguide can be coupled to a coaxial cable At frequencies below the cut off value the wave progresses across the waveguide after total reflections ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Tropospheric scatter propagation is not subject to any fading. False True False True ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A vector field A = p In is given in Cartesian coordinates. In cylindrical coordinates it will be represented as A = cosφ Ir - sinφ Ir. A = cosφ Ir. A = sinφ Ir. A = cosφ Ir + sinφ Iφ. A = cosφ Ir - sinφ Ir. A = cosφ Ir. A = sinφ Ir. A = cosφ Ir + sinφ Iφ. ANSWER DOWNLOAD EXAMIANS APP