Communication Systems Full duplex operation permits transmission in both directions at the same time. False True False True ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For attenuation of high frequencies we should use Shunt capacitance Series capacitance Inductance Resistance Shunt capacitance Series capacitance Inductance Resistance ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For telegraphy the most commonly used modulation system is Two tone modulation PCM FSK Single tone modulation Two tone modulation PCM FSK Single tone modulation ANSWER DOWNLOAD EXAMIANS APP
Communication Systems To eliminate ghosts in the picture Use a longer transmission line Connect a booster Change the antenna orientation of location Twist the transmission line Use a longer transmission line Connect a booster Change the antenna orientation of location Twist the transmission line ANSWER DOWNLOAD EXAMIANS APP
Communication Systems What is the purpose of peak clipper circuits in radio transmitters? To reduce bandwidth To increase bandwidth To regulate oscillator I/P voltage To prevent overmodulation To reduce bandwidth To increase bandwidth To regulate oscillator I/P voltage To prevent overmodulation ANSWER DOWNLOAD EXAMIANS APP
Communication Systems It is found that a ship to ship communication suffers from fading. This can be avoided by using Frequency diversity Directional antenna Space diversity Broad band antenna Frequency diversity Directional antenna Space diversity Broad band antenna ANSWER DOWNLOAD EXAMIANS APP