Microwave Communication Klystron oscillators are most often used in the frequency range of 3000 to 30000 MHz 10 to 10000 MHz 300 to 3000 MHz 30 to 30000 MHz 3000 to 30000 MHz 10 to 10000 MHz 300 to 3000 MHz 30 to 30000 MHz ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The aquadag coating on the inside of PPI tube is used To shield the electron beam from unidirectional magnetic To focus the beam of primary electrons All of these As a second anode and to prevent the build-up of secondary field To shield the electron beam from unidirectional magnetic To focus the beam of primary electrons All of these As a second anode and to prevent the build-up of secondary field ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which causes multipath or frequency selective fading? Small reflector Large reflector Further reflector Nearer reflector Small reflector Large reflector Further reflector Nearer reflector ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The maximum usable range of the usual radar set (on any particular range setting) is determined by The interval between transmitted pulses The bandwidth of the receiver IF stages The width of the transmitted pulses The duty cycle The interval between transmitted pulses The bandwidth of the receiver IF stages The width of the transmitted pulses The duty cycle ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Rainfall is an important factor for fading of radio waves at frequencies above 10 GHz 1 GHz 100 MHz 100 GHz 10 GHz 1 GHz 100 MHz 100 GHz ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A traveling-wave tube (TWT) amplifies by virtue of The energy contained the cavity resonators The absorption of energy by the signal from an electron stream The energy liberated form the collector The effect of an external magnetic field The energy contained the cavity resonators The absorption of energy by the signal from an electron stream The energy liberated form the collector The effect of an external magnetic field ANSWER DOWNLOAD EXAMIANS APP
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