Communication Systems FM transmitting and receiving equipment as compared to AM equipment is Cheaper None of these Almost equally costly Costly Cheaper None of these Almost equally costly Costly ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In Modulation, “carrier” is Resultant wave Voltage for which frequency, phase or amplitude is varied Speech voltage to be transmitted Voltage with constant frequency, phase or amplitude Resultant wave Voltage for which frequency, phase or amplitude is varied Speech voltage to be transmitted Voltage with constant frequency, phase or amplitude ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For a low level AM system, the amplifiers modulated stage must be Non-linear devices Linear devices Harmonic devices Class C amplifiers Non-linear devices Linear devices Harmonic devices Class C amplifiers ANSWER DOWNLOAD EXAMIANS APP
Communication Systems SSB can be generated by Good attenuation characteristics All of these Filter method Phase cancellation method Good attenuation characteristics All of these Filter method Phase cancellation method ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Under ordinary circumstances, impulse noise can be reduced in FM only None of these AM only Both AM and FM FM only None of these AM only Both AM and FM ANSWER DOWNLOAD EXAMIANS APP
Communication Systems It is found that a ship to ship communication suffers from fading. This can be avoided by using Space diversity Frequency diversity Broad band antenna Directional antenna Space diversity Frequency diversity Broad band antenna Directional antenna ANSWER DOWNLOAD EXAMIANS APP
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