Communication Systems If output power of a radio receiver is doubled, its volume is increased by __________ dB. 2 -3 1 3 2 -3 1 3 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Fourier analysis indicate that a square wave can be represented as A fundamental sine wave and even harmonics Fundamental and subharmonic sine waves A fundamental sine wave and odd harmonics A fundamental sine wave and harmonics A fundamental sine wave and even harmonics Fundamental and subharmonic sine waves A fundamental sine wave and odd harmonics A fundamental sine wave and harmonics ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In TV systems, equalising pulses are sent during Horizontal blanking Vertical blanking Horizontal retrace Serrations Horizontal blanking Vertical blanking Horizontal retrace Serrations ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For attenuation of high frequencies we should use Shunt capacitance Inductance Series capacitance Resistance Shunt capacitance Inductance Series capacitance Resistance ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which of the following does not cause losses in optical fibre cables? Impurities Attenuation in glass Stepped index operation Microbending Impurities Attenuation in glass Stepped index operation Microbending 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 Orthogonal Uncorrelated Correlated Statistically independent Orthogonal Uncorrelated Correlated ANSWER DOWNLOAD EXAMIANS APP
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