Communication Systems For attenuation of high frequencies we should use Resistance Shunt capacitance Series capacitance Inductance Resistance Shunt capacitance Series capacitance Inductance ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The colour of an object is decided by None of these The reflected colour The wavelength transmitted through it Reflected colour for opaque object and wavelength transmitted through it for transparent objects None of these The reflected colour The wavelength transmitted through it Reflected colour for opaque object and wavelength transmitted through it for transparent objects 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 0.5 kW 8 kW 50 kW 20 kW 0.5 kW 8 kW 50 kW 20 kW ANSWER DOWNLOAD EXAMIANS APP
Communication Systems What is the purpose of peak clipper circuits in radio transmitters? To regulate oscillator I/P voltage To prevent overmodulation To increase bandwidth To reduce bandwidth To regulate oscillator I/P voltage To prevent overmodulation To increase bandwidth To reduce bandwidth ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which of the following is used to generate PDM? Free running multi-vibrator JK flip-flop Monostable multi-vibrator Schmitt trigger Free running multi-vibrator JK flip-flop Monostable multi-vibrator Schmitt trigger ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A telephone channel requires a bandwidth of about 3 kHz 10 kHz 1 kHz 50 kHz 3 kHz 10 kHz 1 kHz 50 kHz ANSWER DOWNLOAD EXAMIANS APP