Communication Systems If sampling is done at the rate of 10 kHz. The bandwidth required is 70 kHz 1280 kHz 35 kHz 10 kHz 70 kHz 1280 kHz 35 kHz 10 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems DVD uses Laser beam for both recording and playback None of these Laser beam for recording and video head for playback Video head for recording and laser beam for playback Laser beam for both recording and playback None of these Laser beam for recording and video head for playback Video head for recording and laser beam for playback ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The colour of an object is decided by 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 The wavelength transmitted through it The reflected colour ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The main function of a balanced modulator is to Suppress carrier signal in order to create a single-sideband or double sideband Produce balanced modulation of a carrier wave Limit noise picked by a receiver Produce 100% modulation Suppress carrier signal in order to create a single-sideband or double sideband Produce balanced modulation of a carrier wave Limit noise picked by a receiver Produce 100% modulation ANSWER DOWNLOAD EXAMIANS APP
Communication Systems As per Shannon-Hartley theorem, a noise less Gaussian channel has Zero capacity Small capacity None of these Infinite capacity Zero capacity Small capacity None of these Infinite capacity ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Commercial Frequency deviation of FM is 75 kHz 70 kHz 65 kHz 80 kHz 75 kHz 70 kHz 65 kHz 80 kHz ANSWER DOWNLOAD EXAMIANS APP
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