Communication Systems The characteristic impedance of a twin wire feeder used for TV signals is about 300 ohm 1000 ohm 100 ohm 500 ohm 300 ohm 1000 ohm 100 ohm 500 ohm ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Circular polarization Is useful in discrimination between reception of adjacent beams Is useful in reducing depolarization effect on received wave None of these Involves critical alignment of transmitting and receiving antenna Is useful in discrimination between reception of adjacent beams Is useful in reducing depolarization effect on received wave None of these Involves critical alignment of transmitting and receiving antenna ANSWER DOWNLOAD EXAMIANS APP
Communication Systems If sampling is done at the rate of 10 kHz. The bandwidth required is 1280 kHz 70 kHz 35 kHz 10 kHz 1280 kHz 70 kHz 35 kHz 10 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The maximum power output of a standard A earth station over the total band allocated to satellite communication is about 20 kW 8 kW 0.5 kW 50 kW 20 kW 8 kW 0.5 kW 50 kW ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The frequency range of 300 kHz to 3000 kHz is known as High frequency Low frequency Medium frequency Very high frequency High frequency Low frequency Medium frequency Very high frequency ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Under ordinary circumstances, impulse noise can be reduced in None of these FM only AM only Both AM and FM None of these FM only AM only Both AM and FM ANSWER DOWNLOAD EXAMIANS APP