Communication Systems Skip distance depends on time of day and angle of incidence. False True False True ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In practical commercial FM system, channel bandwidth is 108 MHz 100 kHz 150 kHz 88 MHz 108 MHz 100 kHz 150 kHz 88 MHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems To eliminate ghosts in the picture Change the antenna orientation of location Use a longer transmission line Twist the transmission line Connect a booster Change the antenna orientation of location Use a longer transmission line Twist the transmission line Connect a booster ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The disadvantage of FM over AM is that High output power is needed Noise is very high for high frequency Large bandwidth is required High modulating power is needed High output power is needed Noise is very high for high frequency Large bandwidth is required High modulating power is needed ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In case of low level amplitude modulation system, the amplifiers following the modulated stage must be Non-linear devices Class C amplifiers Harmonic devices Linear devices Non-linear devices Class C amplifiers Harmonic devices Linear devices ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A woofer should be fed from the input through a Band pass filter Low pass filter High pass filter Band stop filter Band pass filter Low pass filter High pass filter Band stop filter ANSWER DOWNLOAD EXAMIANS APP
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