Microwave Communication The frequency of the oscillation generated by a magnetron, is mainly determined by The dimension of each cavity resonator The ratio of the dc cathode voltage to the magnetic flux density The flux density of the external magnet The number of the cavity resonators The dimension of each cavity resonator The ratio of the dc cathode voltage to the magnetic flux density The flux density of the external magnet The number of the cavity resonators ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which causes multipath or frequency selective fading? Large reflector Further reflector Small reflector Nearer reflector Large reflector Further reflector Small reflector Nearer reflector ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A Class-S Emergency Position-Indicating Radio Beacon (E.P.I.R.B) All of these Must be capable of floating or being secured to a survival Must have its battery replaced after emergency use May be tested during the first five minutes of any hour All of these Must be capable of floating or being secured to a survival Must have its battery replaced after emergency use May be tested during the first five minutes of any hour ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The aquadag coating on the inside of PPI tube is used As a second anode and to prevent the build-up of secondary field All of these To shield the electron beam from unidirectional magnetic To focus the beam of primary electrons As a second anode and to prevent the build-up of secondary field All of these To shield the electron beam from unidirectional magnetic To focus the beam of primary electrons ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The cavity resonator Has a low Q factor for narrow operation. In a reflect klystron has its output taken from the reflector plate Is equivalent to an LC resonant circuit Produces a frequency which is independent of the cavity size. Has a low Q factor for narrow operation. In a reflect klystron has its output taken from the reflector plate Is equivalent to an LC resonant circuit Produces a frequency which is independent of the cavity size. ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A high-power microwave pulse of the order of megawatts can be generated by a Traveling-wave tube Magnetron Gunn diode Reflex klystron Traveling-wave tube Magnetron Gunn diode Reflex klystron ANSWER DOWNLOAD EXAMIANS APP
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