Communication Systems An FM radio receiver which is tuned to a 91.6 MHz broadcast station may receive an image frequency of __________ MHz. 80.9 113 102.3 70.2 80.9 113 102.3 70.2 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A woofer should be fed from the input through a Low pass filter Band stop filter Band pass filter High pass filter Low pass filter Band stop filter Band pass filter High pass filter ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The characteristic impedance of a twin wire feeder used for TV signals is about 100 ohm 500 ohm 300 ohm 1000 ohm 100 ohm 500 ohm 300 ohm 1000 ohm ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Commercial Frequency deviation of FM is 65 kHz 70 kHz 80 kHz 75 kHz 65 kHz 70 kHz 80 kHz 75 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems One of the advantages of base modulation over collector modulation of a transistor class C amplifier is High power output per transistor The lower modulating power requirement Better linearity Improved efficiency High power output per transistor The lower modulating power requirement Better linearity Improved efficiency ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In EM waves, polarization Is caused by reflection Is due to transverse nature of waves Results from longitudinal nature of waves Is always vertical in an isotropic medium Is caused by reflection Is due to transverse nature of waves Results from longitudinal nature of waves Is always vertical in an isotropic medium ANSWER DOWNLOAD EXAMIANS APP