Communication Systems The characteristic impedance of a twin wire feeder used for TV signals is about 100 ohm 300 ohm 500 ohm 1000 ohm 100 ohm 300 ohm 500 ohm 1000 ohm ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In TV systems, equalising pulses are sent during Vertical blanking Horizontal blanking Horizontal retrace Serrations Vertical blanking Horizontal blanking Horizontal retrace Serrations ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A modem is classified as low speed if data rate handled is Upto 600 bps Upto 100 bps Upto 400 bps Upto 250 bps Upto 600 bps Upto 100 bps Upto 400 bps Upto 250 bps 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 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 Orthogonal Statistically independent Uncorrelated Correlated Orthogonal Statistically independent Uncorrelated Correlated ANSWER DOWNLOAD EXAMIANS APP
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