Communication Systems FM transmitting and receiving equipment as compared to AM equipment is None of these Almost equally costly Cheaper Costly None of these Almost equally costly Cheaper Costly ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which one of the following is analog? PCM PWM Differential PCM Delta modulation PCM PWM Differential PCM Delta modulation ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Circular polarization Is useful in reducing depolarization effect on received wave Is useful in discrimination between reception of adjacent beams None of these Involves critical alignment of transmitting and receiving antenna Is useful in reducing depolarization effect on received wave Is useful in discrimination between reception of adjacent beams None of these Involves critical alignment of transmitting and receiving antenna ANSWER DOWNLOAD EXAMIANS APP
Communication Systems If in a broadcasting studio, a 1000 kHz carrier is modulated by an audio signal of frequency range 100-5000 kHz, the width of channel is __________ kHz. 995 5 4.9 10 995 5 4.9 10 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Assertion (A): In FM the frequency of the carrier is varied by the modulating voltageReason (R): FM and PM are two forms of angle modulation. A is correct but R is wrong A is wrong but R is correct Both A and R are correct and R is correct explanation of A Both A and R are correct but R is not correct explanation of A A is correct but R is wrong A is wrong but R is correct Both A and R are correct and R is correct explanation of A Both A and R are correct but R is not correct explanation of A ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In EM waves, polarization Is always vertical in an isotropic medium Results from longitudinal nature of waves Is caused by reflection Is due to transverse nature of waves Is always vertical in an isotropic medium Results from longitudinal nature of waves Is caused by reflection Is due to transverse nature of waves ANSWER DOWNLOAD EXAMIANS APP
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