Communication Systems If output power of a radio receiver is doubled, its volume is increased by __________ dB. -3 3 2 1 -3 3 2 1 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems It is found that a ship to ship communication suffers from fading. This can be avoided by using Space diversity Frequency diversity Directional antenna Broad band antenna Space diversity Frequency diversity Directional antenna Broad band antenna ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which of the following does not cause losses in optical fibre cables? Attenuation in glass Stepped index operation Microbending Impurities Attenuation in glass Stepped index operation Microbending Impurities ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For AM receivers the standard IF frequency is 106 kHz 1.07 MHz 455 kHz 10.7 MHz 106 kHz 1.07 MHz 455 kHz 10.7 MHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A modem is classified as low speed if data rate handled is Upto 400 bps Upto 600 bps Upto 250 bps Upto 100 bps Upto 400 bps Upto 600 bps Upto 250 bps Upto 100 bps ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Under ordinary circumstances, impulse noise can be reduced in AM only None of these FM only Both AM and FM AM only None of these FM only Both AM and FM ANSWER DOWNLOAD EXAMIANS APP
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