Communication Systems The frequency range of 300 kHz to 3000 kHz is known as Very high frequency Medium frequency High frequency Low frequency Very high frequency Medium frequency High frequency Low frequency ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Under ordinary circumstances, impulse noise can be reduced in Both AM and FM None of these FM only AM only Both AM and FM None of these FM only AM only ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Fourier analysis indicate that a square wave can be represented as Fundamental and subharmonic sine waves A fundamental sine wave and even harmonics A fundamental sine wave and odd harmonics A fundamental sine wave and harmonics Fundamental and subharmonic sine waves A fundamental sine wave and even harmonics A fundamental sine wave and odd harmonics A fundamental sine wave and harmonics ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The direction of rotation of a CD is Anticlockwise Clockwise Clockwise or anticlockwise depending on frequency of data stored Mostly anticlockwise but some times clockwise Anticlockwise Clockwise Clockwise or anticlockwise depending on frequency of data stored Mostly anticlockwise but some times clockwise 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 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. 10 5 995 4.9 10 5 995 4.9 ANSWER DOWNLOAD EXAMIANS APP
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