Microwave Communication If k-factor is greater than 1, the array beam is bent Towards the outer space Away from the earth Towards the earth Towards the ionosphere, Towards the outer space Away from the earth Towards the earth Towards the ionosphere, ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In an SHF pulsed radar set, a reflex klystron can be used as a Transmitter oscillator Local oscillator Duplexer stage Single mixer stage Transmitter oscillator Local oscillator Duplexer stage Single mixer stage ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which causes multipath or frequency selective fading? Small reflector Further reflector Large reflector Nearer reflector Small reflector Further reflector Large reflector Nearer reflector ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The antenna separations (in meters) required for optimum operation of a space diversity system can be calculated from:where R = effective earth radius (m) and L = path length (m) S = 2λR/L S = λR/L S = 3λR/L S = λR/RL S = 2λR/L S = λR/L S = 3λR/L S = λR/RL ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The resonant frequency of a cavity resonator depends upon Its physical dimensions Its electrical dimensions The mode of operation The capacitor which tunes it Its physical dimensions Its electrical dimensions The mode of operation The capacitor which tunes it ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A magnetron is operated at a duty cycle of 0.001. It has a peak power output of 100 kilo-watts. Its average power is 10,000 watts 1,000,000 watts 100 watts 1,000 watts 10,000 watts 1,000,000 watts 100 watts 1,000 watts ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS