Communication Systems The characteristic impedance of a twin wire feeder used for TV signals is about 1000 ohm 100 ohm 300 ohm 500 ohm 1000 ohm 100 ohm 300 ohm 500 ohm ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which of the following is an indirect way of generating FM? Reactance FET modulator Armstrong modulator Reactance bipolar transistor Varactor diode modulator Reactance FET modulator Armstrong modulator Reactance bipolar transistor Varactor diode modulator ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For attenuation of high frequencies we should use Shunt capacitance Resistance Inductance Series capacitance Shunt capacitance Resistance Inductance Series capacitance ANSWER DOWNLOAD EXAMIANS APP
Communication Systems When the length of antenna is a whole wavelength The radiation is maximum in all directions The radiation at right angles is zero The radiation at right angles is maximum The radiation is zero in all directions The radiation is maximum in all directions The radiation at right angles is zero The radiation at right angles is maximum The radiation is zero in all directions ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The frequency range of 300 kHz to 3000 kHz is known as High frequency Medium frequency Very high frequency Low frequency High frequency Medium frequency Very high frequency Low frequency 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 50 kW 0.5 kW 8 kW 20 kW 50 kW 0.5 kW 8 kW ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS