Microwave Communication What allow microwave to pass in only one direction? RF emitter Ferrite emitter Varactor-triac Capacitor RF emitter Ferrite emitter Varactor-triac Capacitor ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication As the electron beam moves through a klystron’s intercavity drift space Frequency modulation at the input cavity creates velocity modulation at the output cavity Velocity modulation at the input cavity creates density modulation at the output cavity Density modulation at the input cavity creates velocity modulation at the output cavity Phase modulation at the input cavity creates velocity modulation at the output cavity. Frequency modulation at the input cavity creates velocity modulation at the output cavity Velocity modulation at the input cavity creates density modulation at the output cavity Density modulation at the input cavity creates velocity modulation at the output cavity Phase modulation at the input cavity creates velocity modulation at the output cavity. ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The resonant frequency of a cavity resonator depends upon Its physical dimensions Its electrical dimensions The capacitor which tunes it The mode of operation Its physical dimensions Its electrical dimensions The capacitor which tunes it The mode of operation ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In a pulsed radar set, the STC circuit is used to Reduce interference from the effects of sea return Improve the target bearing resolution Vary the pulse frequency in order to control the maximum target Increases receiver sensitivity for echoes from targets Reduce interference from the effects of sea return Improve the target bearing resolution Vary the pulse frequency in order to control the maximum target Increases receiver sensitivity for echoes from targets ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which causes multipath or frequency selective fading? Small reflector Nearer reflector Further reflector Large reflector Small reflector Nearer reflector Further reflector Large reflector ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication If k-factor is greater than 1, the array beam is bent Away from the earth Towards the earth Towards the ionosphere, Towards the outer space Away from the earth Towards the earth Towards the ionosphere, Towards the outer space ANSWER DOWNLOAD EXAMIANS APP