Microwave Communication Which of the following is used as a high power microwave oscillator? Reflex-klystron Magnetron Klystron Thyratron Reflex-klystron Magnetron Klystron Thyratron ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which causes multipath or frequency selective fading? Nearer reflector Further reflector Large reflector Small reflector Nearer reflector Further reflector Large reflector Small reflector ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication What allow microwave to pass in only one direction? Capacitor RF emitter Varactor-triac Ferrite emitter Capacitor RF emitter Varactor-triac Ferrite emitter ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication __________ is the progressive decrease of signal strength with increasing distance. Attenuation Propagation Radiation Modulation Attenuation Propagation Radiation Modulation ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The cavity resonator Is equivalent to an LC resonant circuit Has a low Q factor for narrow operation. In a reflect klystron has its output taken from the reflector plate Produces a frequency which is independent of the cavity size. Is equivalent to an LC resonant circuit Has a low Q factor for narrow operation. In a reflect klystron has its output taken from the reflector plate Produces a frequency which is independent of the cavity size. ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The frequency of the oscillation generated by a magnetron, is mainly determined by The ratio of the dc cathode voltage to the magnetic flux density The dimension of each cavity resonator The number of the cavity resonators The flux density of the external magnet The ratio of the dc cathode voltage to the magnetic flux density The dimension of each cavity resonator The number of the cavity resonators The flux density of the external magnet ANSWER DOWNLOAD EXAMIANS APP
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