Communication Systems A buffer amplifier is A double-tuned amplifier A cathode follower stage None of these A high gain D.C. amplifier A double-tuned amplifier A cathode follower stage None of these A high gain D.C. amplifier ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A woofer should be fed from the input through a Low pass filter Band stop filter Band pass filter High pass filter Low pass filter Band stop filter Band pass filter High pass filter 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 wrong but R is correct Both A and R are correct but R is not correct explanation of A Both A and R are correct and R is correct explanation of A A is correct but R is wrong A is wrong but R is correct Both A and R are correct but R is not correct explanation of A Both A and R are correct and R is correct explanation of A A is correct but R is wrong ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A telephone channel requires a bandwidth of about 10 kHz 3 kHz 1 kHz 50 kHz 10 kHz 3 kHz 1 kHz 50 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Circular polarization 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 Is useful in reducing depolarization effect on received wave Is useful in discrimination between reception of adjacent beams None of these ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The direction of rotation of a CD is Mostly anticlockwise but some times clockwise Clockwise or anticlockwise depending on frequency of data stored Anticlockwise Clockwise Mostly anticlockwise but some times clockwise Clockwise or anticlockwise depending on frequency of data stored Anticlockwise Clockwise ANSWER DOWNLOAD EXAMIANS APP
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