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 FM transmitting and receiving equipment as compared to AM equipment is Costly Almost equally costly Cheaper None of these Costly Almost equally costly Cheaper None of these ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The colour of an object is decided by None of these The wavelength transmitted through it Reflected colour for opaque object and wavelength transmitted through it for transparent objects The reflected colour None of these The wavelength transmitted through it Reflected colour for opaque object and wavelength transmitted through it for transparent objects The reflected colour ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The disadvantage of FM over AM is that High modulating power is needed Large bandwidth is required High output power is needed Noise is very high for high frequency High modulating power is needed Large bandwidth is required High output power is needed Noise is very high for high frequency 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 Statistically independent Correlated Uncorrelated Orthogonal Statistically independent Correlated Uncorrelated Orthogonal ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which of the following does not cause losses in optical fibre cables? Impurities Stepped index operation Microbending Attenuation in glass Impurities Stepped index operation Microbending Attenuation in glass ANSWER DOWNLOAD EXAMIANS APP
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