Communication Systems If sampling is done at the rate of 10 kHz. The bandwidth required is 10 kHz 70 kHz 35 kHz 1280 kHz 10 kHz 70 kHz 35 kHz 1280 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems When the length of antenna is a whole wavelength The radiation at right angles is maximum The radiation is maximum in all directions The radiation at right angles is zero The radiation is zero in all directions The radiation at right angles is maximum The radiation is maximum in all directions The radiation at right angles is zero The radiation is zero in all directions ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In a FM receiver, amplitude limiter Amplifiers low frequency signals Reduces the amplitude of signals None of these Eliminates any change in amplitude of received FM signals Amplifiers low frequency signals Reduces the amplitude of signals None of these Eliminates any change in amplitude of received FM signals ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A zero mean white Gaussian noise is passed through an ideal low pass filter of bandwidth 10 kHz. The output of the samples so obtained would be Correlated Statistically independent Orthogonal Uncorrelated Correlated Statistically independent Orthogonal Uncorrelated ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A cordless telephone using separate frequencies for transmission in base and portable units is known as Neither A nor B Half duplex arrangement Duplex arrangement Either A or B Neither A nor B Half duplex arrangement Duplex arrangement Either A or B ANSWER DOWNLOAD EXAMIANS APP
Communication Systems An FM radio receiver which is tuned to a 91.6 MHz broadcast station may receive an image frequency of __________ MHz. 80.9 102.3 70.2 113 80.9 102.3 70.2 113 ANSWER DOWNLOAD EXAMIANS APP
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