Electromagnetic Field Theory Ohm’s law in point from field theory can be expressed as J = σE. R = ρ × ( l / A). J = E / σ. V = IR. J = σE. R = ρ × ( l / A). J = E / σ. V = IR. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The field at any point on the axis of a current carrying coil will be zero. parallel to axis. at angle of 45° with the axis. perpendicular to the axis. zero. parallel to axis. at angle of 45° with the axis. perpendicular to the axis. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Tropospheric scatter propagation is not subject to any fading. True False True False ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The main purpose of choke is to block low frequencies. to pass high frequencies. none of above. to pass low frequencies. to block low frequencies. to pass high frequencies. none of above. to pass low frequencies. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory It is best to use for coupling a coaxial line to a parallel wire transmission line. Tee Balun Slotted line Directional Coupler Tee Balun Slotted line Directional Coupler ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of surface waves the field strength at a point is directly proportional to Distance of the point from the antenna Wave frequency Antenna height Current of the antenna Distance of the point from the antenna Wave frequency Antenna height Current of the antenna ANSWER DOWNLOAD EXAMIANS APP