Communication Systems A woofer should be fed from the input through a High pass filter Band pass filter Low pass filter Band stop filter High pass filter Band pass filter Low pass filter Band stop filter ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In Modulation, “carrier” is Resultant wave Speech voltage to be transmitted Voltage for which frequency, phase or amplitude is varied Voltage with constant frequency, phase or amplitude Resultant wave Speech voltage to be transmitted Voltage for which frequency, phase or amplitude is varied Voltage with constant frequency, phase or amplitude 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 0.5 kW 50 kW 8 kW 20 kW 0.5 kW 50 kW 8 kW ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In practical commercial FM system, channel bandwidth is 108 MHz 150 kHz 100 kHz 88 MHz 108 MHz 150 kHz 100 kHz 88 MHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The colour of an object is decided by None of these The wavelength transmitted through it Reflected colour for opaque object and wavelength transmitted through it for transparent objects The reflected colour None of these The wavelength transmitted through it Reflected colour for opaque object and wavelength transmitted through it for transparent objects The reflected colour ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The disadvantage of FM over AM is that Noise is very high for high frequency High modulating power is needed High output power is needed Large bandwidth is required Noise is very high for high frequency High modulating power is needed High output power is needed Large bandwidth is required ANSWER DOWNLOAD EXAMIANS APP