Communication Systems Commercial Frequency deviation of FM is 65 kHz 80 kHz 70 kHz 75 kHz 65 kHz 80 kHz 70 kHz 75 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In a TV receiver antenna the length of reflector rod Is more than that of dipole May be equal, more or less than that of dipole Is the same as that of dipole Is less than that of dipole Is more than that of dipole May be equal, more or less than that of dipole Is the same as that of dipole Is less than that of dipole ANSWER DOWNLOAD EXAMIANS APP
Communication Systems It is found that a ship to ship communication suffers from fading. This can be avoided by using Directional antenna Broad band antenna Frequency diversity Space diversity Directional antenna Broad band antenna Frequency diversity Space diversity ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The characteristic impedance of a twin wire feeder used for TV signals is about 1000 ohm 300 ohm 500 ohm 100 ohm 1000 ohm 300 ohm 500 ohm 100 ohm ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For attenuation of high frequencies we should use Series capacitance Shunt capacitance Resistance Inductance Series capacitance Shunt capacitance Resistance Inductance ANSWER DOWNLOAD EXAMIANS APP
Communication Systems VSB modulation is preferred in TV because None of these It avoids phase distortion at low frequencies It results in better reception It reduces the bandwidth requirement to half None of these It avoids phase distortion at low frequencies It results in better reception It reduces the bandwidth requirement to half ANSWER DOWNLOAD EXAMIANS APP