Electromagnetic Field Theory The transmitting antennas for lower frequencies (below 500 kHz) are generally Parabolic reflector type Vertical grounded wire type Horizontal suspended wire type Any of the above Parabolic reflector type Vertical grounded wire type Horizontal suspended wire type Any of the above 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 When a single turn coil rotates in a uniform magnetic field at a uniform speed, the induced emf will be alternating. none of these. pulsating. steady. alternating. none of these. pulsating. steady. 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 At waveguide can be coupled to a coaxial cable Waveguides are usually air filled hollow conducting metallic tubes for transmitting UHF and microwaves 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 At waveguide can be coupled to a coaxial cable Waveguides are usually air filled hollow conducting metallic tubes for transmitting UHF and microwaves At frequencies below the cut off value the wave progresses across the waveguide after total reflections ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A pure inductor is connected across a voltage source. Find the active power drawn by the inductor? either 1 or 2 maximum 0 None of these either 1 or 2 maximum 0 None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The two windings of a transformer have an inductor of 2 H each. If mutual inductor between them is also 2 H, then turns ratio of the transformer is also two. none of these. transformer is an ideal transformer. it is a perfect transformer. turns ratio of the transformer is also two. none of these. transformer is an ideal transformer. it is a perfect transformer. ANSWER DOWNLOAD EXAMIANS APP
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