Communication Systems In a FM receiver, amplitude limiter Eliminates any change in amplitude of received FM signals Reduces the amplitude of signals Amplifiers low frequency signals None of these Eliminates any change in amplitude of received FM signals Reduces the amplitude of signals Amplifiers low frequency signals None of these ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which one of the following is analog? PCM Delta modulation PWM Differential PCM PCM Delta modulation PWM Differential PCM ANSWER DOWNLOAD EXAMIANS APP
Communication Systems If output power of a radio receiver is doubled, its volume is increased by __________ dB. 1 2 -3 3 1 2 -3 3 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems As per Shannon-Hartley theorem, a noise less Gaussian channel has Infinite capacity None of these Small capacity Zero capacity Infinite capacity None of these Small capacity Zero capacity ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The direction of rotation of a CD is 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 Anticlockwise Clockwise ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The colour of an object is decided by The wavelength transmitted through it The reflected colour None of these Reflected colour for opaque object and wavelength transmitted through it for transparent objects The wavelength transmitted through it The reflected colour None of these Reflected colour for opaque object and wavelength transmitted through it for transparent objects ANSWER DOWNLOAD EXAMIANS APP
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