Electromagnetic Field Theory The attenuation in waveguide above to cut off frequency Zero Infinite Very low Very high Zero Infinite Very low Very high ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic field at any point on the axis of current carrying circular coil will be perpendicular to axis. parallel to axis. zero. at an angle 45o with the axis. perpendicular to axis. parallel to axis. zero. at an angle 45o with the axis. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following will increase the antenna radiation efficiency? Top loading of antenna Providing insulation on conductor Any of the above Use of larger section of conductor Top loading of antenna Providing insulation on conductor Any of the above Use of larger section of conductor ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a wave is incident from the more dense into a less dense medium at an angle equal to or exceeding the critical angle, the wave suffers total internal __________ . None of these Reflection Transmission Refraction None of these Reflection Transmission Refraction ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric field strength of charge Increase square distance. Decrease with distance. Increase distance. Decrease with square distance. Increase square distance. Decrease with distance. Increase distance. Decrease with square distance. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The work done by a force F = 4un - 3uy + 2uz N in giving a 1nC charge a displacement of (10 ux + 2uy - 7uz) m is 20 nj. 60 nj. 40 nj. 100 nj. 20 nj. 60 nj. 40 nj. 100 nj. ANSWER DOWNLOAD EXAMIANS APP
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