Communication Systems Skip distance depends on time of day and angle of incidence. False True False True ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In case of low level amplitude modulation system, the amplifiers following the modulated stage must be Linear devices Class C amplifiers Harmonic devices Non-linear devices Linear devices Class C amplifiers Harmonic devices Non-linear devices ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A woofer should be fed from the input through a Band stop filter Band pass filter Low pass filter High pass filter Band stop filter Band pass filter Low pass filter High pass filter ANSWER DOWNLOAD EXAMIANS APP
Communication Systems To eliminate ghosts in the picture Connect a booster Use a longer transmission line Twist the transmission line Change the antenna orientation of location Connect a booster Use a longer transmission line Twist the transmission line Change the antenna orientation of location ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The disadvantage of FM over AM is that High output power is needed Large bandwidth is required High modulating power is needed Noise is very high for high frequency High output power is needed Large bandwidth is required High modulating power is needed Noise is very high for high frequency ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The frequency range of 300 kHz to 3000 kHz is known as Medium frequency High frequency Very high frequency Low frequency Medium frequency High frequency Very high frequency Low frequency ANSWER DOWNLOAD EXAMIANS APP