Communication Systems It is found that a ship to ship communication suffers from fading. This can be avoided by using Frequency diversity Directional antenna Broad band antenna Space diversity Frequency diversity Directional antenna Broad band antenna Space diversity ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The modulation index of an FM is changed from 0 to 1. How does the transmitted power change? Gets halved Gets increased by 50 percent Remains unchanged Gets doubled Gets halved Gets increased by 50 percent Remains unchanged Gets doubled ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A woofer should be fed from the input through a Low pass filter High pass filter Band stop filter Band pass filter Low pass filter High pass filter Band stop filter Band pass filter ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Skip distance depends on time of day and angle of incidence. True False True False ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The frequency range of 300 kHz to 3000 kHz is known as Medium frequency Low frequency High frequency Very high frequency Medium frequency Low frequency High frequency Very high frequency ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For a low level AM system, the amplifiers 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
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