Microwave Communication The main frequency determining element of a klystron is The accelerating voltage Its resonant cavity Its mode of operation The repeller voltage The accelerating voltage Its resonant cavity Its mode of operation The repeller voltage ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Calculate the effective earth’s radius if the surface refractivity is 301. 6370 mi 6370 km 8493 mmi 8493 km 6370 mi 6370 km 8493 mmi 8493 km ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following is used as an oscillator device in the SHF band? Both B and C Klystron tube Tunnel diode Thyratron tube Both B and C Klystron tube Tunnel diode Thyratron tube ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication __________ is the progressive decrease of signal strength with increasing distance. Radiation Propagation Attenuation Modulation Radiation Propagation Attenuation Modulation ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which causes multipath or frequency selective fading? Further reflector Nearer reflector Large reflector Small reflector Further reflector Nearer reflector Large reflector Small reflector ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Theoretically electromagnetic radiation field strength varies in inverse proportion to the square of the distance, but when atmospheric attenuation effects and the absorption of the terrain are taken into account the attenuation can be as high as the inverse ___________ power of the distance. Fourth Sixth Third Fifth Fourth Sixth Third Fifth ANSWER DOWNLOAD EXAMIANS APP
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